Add use_spring_wallpaper flag for Spring default wallpaper

build/common.gypi

 # Copyright (c) 2012 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 expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 329 matching lines @@
       # Support for disabling depends on the platform.
       'enable_session_service%': 1,
 
       # Enables theme support, which is enabled by default.  Support for
       # disabling depends on the platform.
       'enable_themes%': 1,
 
       # Enables autofill dialog and associated features; disabled by default.
       'enable_autofill_dialog%' : 0,
 
+      # Uses spring wallpaper resources on Spring.
+      'use_spring_wallpaper%': 0,
+
       # Uses OEM-specific wallpaper resources on Chrome OS.
       'use_oem_wallpaper%': 0,
 
       # Enables support for background apps.
       'enable_background%': 1,
 
       # Enable the task manager by default.
       'enable_task_manager%': 1,
 
       # Enable FTP support by default.
@@ skipping 425 matching lines @@
     'tsan_blacklist%': '<(tsan_blacklist)',
     'clang_type_profiler%': '<(clang_type_profiler)',
     'order_profiling%': '<(order_profiling)',
     'order_text_section%': '<(order_text_section)',
     'enable_extensions%': '<(enable_extensions)',
     'enable_plugin_installation%': '<(enable_plugin_installation)',
     'enable_plugins%': '<(enable_plugins)',
     'enable_session_service%': '<(enable_session_service)',
     'enable_themes%': '<(enable_themes)',
     'enable_autofill_dialog%': '<(enable_autofill_dialog)',
+    'use_spring_wallpaper%': '<(use_spring_wallpaper)',
     'use_oem_wallpaper%': '<(use_oem_wallpaper)',
     'enable_background%': '<(enable_background)',
     'linux_use_gold_binary%': '<(linux_use_gold_binary)',
     'linux_use_gold_flags%': '<(linux_use_gold_flags)',
     'linux_use_libgps%': '<(linux_use_libgps)',
     'use_canvas_skia%': '<(use_canvas_skia)',
     'test_isolation_mode%': '<(test_isolation_mode)',
     'test_isolation_outdir%': '<(test_isolation_outdir)',
     'test_isolation_fail_on_missing': '<(test_isolation_fail_on_missing)',
     'enable_automation%': '<(enable_automation)',
@@ skipping 731 matching lines @@
       }],
       ['enable_extensions==1', {
         'grit_defines': ['-D', 'enable_extensions'],
       }],
       ['enable_printing==1', {
         'grit_defines': ['-D', 'enable_printing'],
       }],
       ['enable_themes==1', {
         'grit_defines': ['-D', 'enable_themes'],
       }],
+      ['use_spring_wallpaper==1', {
+        'grit_defines': ['-D', 'use_spring_wallpaper'],
+      }],
       ['use_oem_wallpaper==1', {
         'grit_defines': ['-D', 'use_oem_wallpaper'],
       }],
       ['enable_app_list==1', {
         'grit_defines': ['-D', 'enable_app_list'],
       }],
       ['enable_settings_app==1', {
         'grit_defines': ['-D', 'enable_settings_app'],
       }],
       ['enable_google_now==1', {
@@ skipping 2963 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }