Assorted typo fixes.

gyp/pylib/gyp/generator/android.py

@@ -550,7 +550,7 @@ def WriteSources(self, spec, configs, extra_sources):
     # to work properly. If the file has the wrong C++ extension, then we add
     # a rule to copy that to intermediates and use the new version.
     final_generated_sources = []
-    # If a source file gets copied, we still need to add the orginal source
+    # If a source file gets copied, we still need to add the original source
     # directory as header search path, for GCC searches headers in the
     # directory that contains the source file by default.
     origin_src_dirs = []

gyp/pylib/gyp/generator/cmake.py

@@ -574,7 +574,7 @@ class CMakeNamer(object):
   """Converts Gyp target names into CMake target names.
 
   CMake requires that target names be globally unique. One way to ensure
-  this is to fully qualify the names of the targets. Unfortunatly, this
+  this is to fully qualify the names of the targets. Unfortunately, this
   ends up with all targets looking like "chrome_chrome_gyp_chrome" instead
   of just "chrome". If this generator were only interested in building, it
   would be possible to fully qualify all target names, then create

gyp/pylib/gyp/generator/eclipse.py

@@ -195,7 +195,7 @@ def GetAllDefines(target_list, target_dicts, data, config_name, params,
   """Calculate the defines for a project.
 
   Returns:
-    A dict that includes explict defines declared in gyp files along with all of
+    A dict that includes explicit defines declared in gyp files along with all of
     the default defines that the compiler uses.
   """
 

gyp/pylib/gyp/generator/make.py

@@ -12,7 +12,7 @@
 # all are sourced by the top-level Makefile.  This means that all
 # variables in .mk-files clobber one another.  Be careful to use :=
 # where appropriate for immediate evaluation, and similarly to watch
-# that you're not relying on a variable value to last beween different
+# that you're not relying on a variable value to last between different
 # .mk files.
 #
 # TODOs:

gyp/pylib/gyp/generator/msvs.py

@@ -3069,7 +3069,7 @@ def _FinalizeMSBuildSettings(spec, configuration):
   _ToolAppend(msbuild_settings, 'ResourceCompile',
               'AdditionalIncludeDirectories', resource_include_dirs)
   # Add in libraries, note that even for empty libraries, we want this
-  # set, to prevent inheriting default libraries from the enviroment.
+  # set, to prevent inheriting default libraries from the environment.
   _ToolSetOrAppend(msbuild_settings, 'Link', 'AdditionalDependencies',
                   libraries)
   _ToolAppend(msbuild_settings, 'Link', 'AdditionalLibraryDirectories',

gyp/pylib/gyp/generator/ninja.py

@@ -1821,7 +1821,7 @@ def GenerateOutputForConfig(target_list, target_dicts, data, params,
   # - The priority from low to high is gcc/g++, the 'make_global_settings' in
   #   gyp, the environment variable.
   # - If there is no 'make_global_settings' for CC.host/CXX.host or
-  #   'CC_host'/'CXX_host' enviroment variable, cc_host/cxx_host should be set
+  #   'CC_host'/'CXX_host' environment variable, cc_host/cxx_host should be set
   #   to cc/cxx.
   if flavor == 'win':
     ar = 'lib.exe'

gyp/pylib/gyp/generator/xcode.py

@@ -998,7 +998,7 @@ def GenerateOutput(target_list, target_dicts, data, params):
         actions.append(action)
 
       if len(concrete_outputs_all) > 0:
-        # TODO(mark): There's a possibilty for collision here.  Consider
+        # TODO(mark): There's a possibility for collision here.  Consider
         # target "t" rule "A_r" and target "t_A" rule "r".
         makefile_name = '%s.make' % re.sub(
             '[^a-zA-Z0-9_]', '_' , '%s_%s' % (target_name, rule['rule_name']))

gyp/pylib/gyp/input.py

@@ -1073,7 +1073,7 @@ def EvalSingleCondition(
     cond_expr, true_dict, false_dict, phase, variables, build_file):
   """Returns true_dict if cond_expr evaluates to true, and false_dict
   otherwise."""
-  # Do expansions on the condition itself.  Since the conditon can naturally
+  # Do expansions on the condition itself.  Since the condition can naturally
   # contain variable references without needing to resort to GYP expansion
   # syntax, this is of dubious value for variables, but someone might want to
   # use a command expansion directly inside a condition.
@@ -1178,7 +1178,7 @@ def LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key):
         continue
       if the_dict_key == 'variables' and variable_name in the_dict:
         # If the variable is set without a % in the_dict, and the_dict is a
-        # variables dict (making |variables| a varaibles sub-dict of a
+        # variables dict (making |variables| a variables sub-dict of a
         # variables dict), use the_dict's definition.
         value = the_dict[variable_name]
     else:
@@ -1864,7 +1864,7 @@ def VerifyNoGYPFileCircularDependencies(targets):
         continue
       dependency_node = dependency_nodes.get(dependency_build_file)
       if not dependency_node:
-        raise GypError("Dependancy '%s' not found" % dependency_build_file)
+        raise GypError("Dependency '%s' not found" % dependency_build_file)
       if dependency_node not in build_file_node.dependencies:
         build_file_node.dependencies.append(dependency_node)
         dependency_node.dependents.append(build_file_node)

gyp/pylib/gyp/msvs_emulation.py

@@ -375,7 +375,7 @@ def GetCompilerPdbName(self, config, expand_special):
     return pdbname
 
   def GetMapFileName(self, config, expand_special):
-    """Gets the explicitly overriden map file name for a target or returns None
+    """Gets the explicitly overridden map file name for a target or returns None
     if it's not set."""
     config = self._TargetConfig(config)
     map_file = self._Setting(('VCLinkerTool', 'MapFileName'), config)

gyp/pylib/gyp/xcode_emulation.py

@@ -778,7 +778,7 @@ def GetLdflags(self, configname, product_dir, gyp_to_build_path, arch=None):
         product_dir: The directory where products such static and dynamic
             libraries are placed. This is added to the library search path.
         gyp_to_build_path: A function that converts paths relative to the
-            current gyp file to paths relative to the build direcotry.
+            current gyp file to paths relative to the build directory.
     """
     self.configname = configname
     ldflags = []
@@ -923,7 +923,7 @@ def GetPerTargetSetting(self, setting, default=None):
 
   def _GetStripPostbuilds(self, configname, output_binary, quiet):
     """Returns a list of shell commands that contain the shell commands
-    neccessary to strip this target's binary. These should be run as postbuilds
+    necessary to strip this target's binary. These should be run as postbuilds
     before the actual postbuilds run."""
     self.configname = configname
 
@@ -957,7 +957,7 @@ def _GetStripPostbuilds(self, configname, output_binary, quiet):
 
   def _GetDebugInfoPostbuilds(self, configname, output, output_binary, quiet):
     """Returns a list of shell commands that contain the shell commands
-    neccessary to massage this target's debug information. These should be run
+    necessary to massage this target's debug information. These should be run
     as postbuilds before the actual postbuilds run."""
     self.configname = configname
 
@@ -1052,7 +1052,7 @@ def _AdjustLibrary(self, library, config_name=None):
     # "/usr/lib" libraries, is do "-L/usr/lib -lname" which is dependent on the
     # library order and cause collision when building Chrome.
     #
-    # Instead substitude ".tbd" to ".dylib" in the generated project when the
+    # Instead substitute ".tbd" to ".dylib" in the generated project when the
     # following conditions are both true:
     # - library is referenced in the gyp file as "$(SDKROOT)/**/*.dylib",
     # - the ".dylib" file does not exists but a ".tbd" file do.
@@ -1341,7 +1341,7 @@ def GetStdout(cmdlist):
 def MergeGlobalXcodeSettingsToSpec(global_dict, spec):
   """Merges the global xcode_settings dictionary into each configuration of the
   target represented by spec. For keys that are both in the global and the local
-  xcode_settings dict, the local key gets precendence.
+  xcode_settings dict, the local key gets precedence.
   """
   # The xcode generator special-cases global xcode_settings and does something
   # that amounts to merging in the global xcode_settings into each local
@@ -1384,7 +1384,7 @@ def GetMacBundleResources(product_dir, xcode_settings, resources):
     output = dest
 
     # The make generator doesn't support it, so forbid it everywhere
-    # to keep the generators more interchangable.
+    # to keep the generators more interchangeable.
     assert ' ' not in res, (
       "Spaces in resource filenames not supported (%s)"  % res)
 
@@ -1426,14 +1426,14 @@ def GetMacInfoPlist(product_dir, xcode_settings, gyp_path_to_build_path):
           relative to the build directory.
       xcode_settings: The XcodeSettings of the current target.
       gyp_to_build_path: A function that converts paths relative to the
-          current gyp file to paths relative to the build direcotry.
+          current gyp file to paths relative to the build directory.
   """
   info_plist = xcode_settings.GetPerTargetSetting('INFOPLIST_FILE')
   if not info_plist:
     return None, None, [], {}
 
   # The make generator doesn't support it, so forbid it everywhere
-  # to keep the generators more interchangable.
+  # to keep the generators more interchangeable.
   assert ' ' not in info_plist, (
     "Spaces in Info.plist filenames not supported (%s)"  % info_plist)
 

gyp/pylib/gyp/xcodeproj_file.py

@@ -220,7 +220,7 @@ class XCObject(object):
                           an empty string ("", in the case of property_type
                           str) or list ([], in the case of is_list True) from
                           being set for the property.
-             default: Optional.  If is_requried is True, default may be set
+             default: Optional.  If is_required is True, default may be set
                       to provide a default value for objects that do not supply
                       their own value.  If is_required is True and default
                       is not provided, users of the class must supply their own

gyp/tools/pretty_gyp.py

@@ -18,7 +18,7 @@
 # Regex to remove quoted strings when we're counting braces.
 # It takes into account quoted quotes, and makes sure that the quotes match.
 # NOTE: It does not handle quotes that span more than one line, or
-# cases where an escaped quote is preceeded by an escaped backslash.
+# cases where an escaped quote is preceded by an escaped backslash.
 QUOTE_RE_STR = r'(?P<q>[\'"])(.*?)(?<![^\\][\\])(?P=q)'
 QUOTE_RE = re.compile(QUOTE_RE_STR)
 

gyp/tools/pretty_vcproj.py

@@ -265,7 +265,7 @@ def MergeAttributes(node1, node2):
       if value1 != value2:
         node1.setAttribute(name, ';'.join([value1, value2]))
     else:
-      # The attribute does nto exist in the main node. We append this one.
+      # The attribute does not exist in the main node. We append this one.
       node1.setAttribute(name, value2)
 
     # If the attribute was a property sheet attributes, we remove it, since