Export content_common dependency from some content targets.

content/content.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,  # Use higher warning level.
     'chromium_enable_vtune_jit_for_v8%': 0,  # enable the vtune support for V8 engine.
     'directxsdk_exists': '<!pymod_do_main(dir_exists ../third_party/directxsdk)',
   },
@@ skipping 28 matching lines @@
         'COMPILE_CONTENT_STATICALLY',
       ],
       'targets': [
         {
           'target_name': 'content',
           'type': 'none',
           'dependencies': [
             'content_browser',
             'content_common',
           ],
+          'export_dependent_settings': [
+            'content_common',
+          ],
           'conditions': [
             ['OS != "ios"', {
               'dependencies': [
                 'content_child',
                 'content_gpu',
                 'content_plugin',
                 'content_ppapi_plugin',
                 'content_renderer',
                 'content_utility',
                 'content_worker',
               ],
             }],
           ],
         },
         {
           'target_name': 'content_app_browser',
           'type': 'static_library',
           'variables': { 'enable_wexit_time_destructors': 1, },
           'includes': [
             'content_app.gypi',
           ],
           'dependencies': [
             'content_common',
           ],
+          'export_dependent_settings': [
+            'content_common',
+          ],
           'conditions': [
             ['chrome_multiple_dll', {
               'defines': [
                 'CHROME_MULTIPLE_DLL_BROWSER',
               ],
             }],
           ],
         },
         {
           'target_name': 'content_app_child',
           'type': 'static_library',
           'variables': { 'enable_wexit_time_destructors': 1, },
           'includes': [
             'content_app.gypi',
           ],
           'dependencies': [
             'content_common',
           ],
+          'export_dependent_settings': [
+            'content_common',
+          ],
           'conditions': [
             ['chrome_multiple_dll', {
               'defines': [
                 'CHROME_MULTIPLE_DLL_CHILD',
               ],
             }],
           ],
         },
         {
           'target_name': 'content_app_both',
@@ skipping 13 matching lines @@
           'target_name': 'content_browser',
           'type': 'static_library',
           'variables': { 'enable_wexit_time_destructors': 1, },
           'includes': [
             'content_browser.gypi',
           ],
           'dependencies': [
             'content_common',
             'content_resources.gyp:content_resources',
           ],
+          'export_dependent_settings': [
+            'content_common',
+          ],
           'conditions': [
             ['java_bridge==1', {
               'dependencies': [
                 'content_child',
               ]
             }],
             ['OS=="android"', {
               'dependencies': [
                 'content_gpu',
                 'content_utility',
@@ skipping 441 matching lines @@
               'browser/gamepad/canonical_axis_index_list.h',
               'browser/gamepad/canonical_button_index_list.h',
             ],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
     }],  # OS == "android"
   ],
 }