Fix typos in comments.

chrome/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 1053 matching lines @@
     # but doing so isn't logical and won't happen in practice.
     action_foreach("chrome_dump_syms") {
       script = "//build/redirect_stdout.py"
 
       sources = _chrome_symbols_sources
 
       outputs = [
         "$root_out_dir/{{source_file_part}}-$chrome_version_full.breakpad",
       ]
 
-      # Use an aboslute path to dump_syms in case a user has it in their path.
+      # Use an absolute path to dump_syms in case a user has it in their path.
       args = rebase_path(outputs, root_out_dir) + [
                rebase_path("$root_out_dir/dump_syms"),
                "-g",
                rebase_path(
                    "$root_out_dir/{{source_name_part}}.dSYM/Contents/Resources/DWARF/{{source_name_part}}",
                    root_out_dir),
                "{{source}}",
              ]
 
       deps = [
         ":chrome_app",
         ":chrome_framework",
         ":chrome_helper_app",
         "//breakpad:dump_syms",
         "//third_party/crashpad/crashpad/handler:crashpad_handler",
       ]
     }
 
     action("chrome_dsym_archive") {
       script = "//chrome/tools/build/mac/archive_symbols.py"
 
       # These are the dSYMs that will be archived. The sources list must be
-      # are the target outputs that correspond to the dSYMs (since a dSYM is
-      # a directory it cannot be listed as a source file). The targets that
+      # the target outputs that correspond to the dSYMs (since a dSYM is a
+      # directory it cannot be listed as a source file). The targets that
       # generate both the dSYM and binary image are listed in deps.
       _dsyms = [
         "$root_out_dir/$chrome_framework_name.dSYM",
         "$root_out_dir/$chrome_helper_name.dSYM",
         "$root_out_dir/$chrome_product_full_name.dSYM",
         "$root_out_dir/crashpad_handler.dSYM",
       ]
 
       sources = _chrome_symbols_sources
 
@@ skipping 696 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }