Integrates libjpeg-turbo into Chromium (Chromium side)...

build/common.gypi

 # Copyright (c) 2010 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   'variables': {
     # .gyp files or targets should set chromium_code to 1 if they build
@@ skipping 122 matching lines @@
 
       # The system root for cross-compiles. Default: none.
       'sysroot%': '',
 
       # On Linux, we build with sse2 for Chromium builds.
       'disable_sse2%': 0,
 
       # Remoting compilation is enabled by default. Set to 0 to disable.
       'remoting%': 1,
 
+      # Use libjpeg-turbo as the JPEG codec used by Chromium.
+      'use_libjpeg_turbo%': 0,
+
       'library%': '<(library)',
 
       # Variable 'component' is for cases where we would like to build some
       # components as dynamic shared libraries but still need variable
       # 'library' for static libraries.
       # By default, component is set to whatever library is set to and
       # it can be overriden by the GYP command line or by ~/.gyp/include.gypi.
       'component%': '<(library)',
     },
 
@@ skipping 240 matching lines @@
           # This flag is used to minimize dependencies when building
           # Native Client loader for 64-bit Windows.
           'NACL_WIN64',
         ],
       }],
       ['OS=="mac" or (OS=="linux" and chromeos==0 and target_arch!="arm")', {
         'use_cups%': 1,
       }, {
         'use_cups%': 0,
       }],
+      # Set the relative path from this file to the GYP file of the JPEG
+      # library used by Chromium.
+      ['use_libjpeg_turbo==1', {
+        'libjpeg_gyp_path': '../third_party/libjpeg_turbo/libjpeg.gyp',
+      }, {
+        'libjpeg_gyp_path': '../third_party/libjpeg/libjpeg.gyp',
+      }],  # use_libjpeg_turbo==1
     ],
 
     # NOTE: When these end up in the Mac bundle, we need to replace '-' for '_'
     # so Cocoa is happy (http://crbug.com/20441).
     'locales': [
       'am', 'ar', 'bg', 'bn', 'ca', 'cs', 'da', 'de', 'el', 'en-GB',
       'en-US', 'es-419', 'es', 'et', 'fa', 'fi', 'fil', 'fr', 'gu', 'he',
       'hi', 'hr', 'hu', 'id', 'it', 'ja', 'kn', 'ko', 'lt', 'lv',
       'ml', 'mr', 'nb', 'nl', 'pl', 'pt-BR', 'pt-PT', 'ro', 'ru',
       'sk', 'sl', 'sr', 'sv', 'sw', 'ta', 'te', 'th', 'tr', 'uk',
@@ skipping 1042 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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