Implementing WebDatabaseObserver in the renderer process....

chrome/chrome.gyp

 # Copyright (c) 2009 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,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
@@ skipping 3232 matching lines @@
         'renderer/renderer_main_platform_delegate_mac.mm',
         'renderer/renderer_main_platform_delegate_win.cc',
         'renderer/renderer_sandbox_support_linux.cc',
         'renderer/renderer_sandbox_support_linux.h',
         'renderer/renderer_webkitclient_impl.cc',
         'renderer/renderer_webkitclient_impl.h',
         'renderer/renderer_webstoragearea_impl.cc',
         'renderer/renderer_webstoragearea_impl.h',
         'renderer/renderer_webstoragenamespace_impl.cc',
         'renderer/renderer_webstoragenamespace_impl.h',
+        'renderer/renderer_web_database_observer.cc',
+        'renderer/renderer_web_database_observer.h',
         'renderer/user_script_slave.cc',
         'renderer/user_script_slave.h',
         'renderer/visitedlink_slave.cc',
         'renderer/visitedlink_slave.h',
         'renderer/webplugin_delegate_proxy.cc',
         'renderer/webplugin_delegate_proxy.h',
         'renderer/webplugin_delegate_pepper.cc',
         'renderer/webplugin_delegate_pepper.h',
         'renderer/webworker_proxy.cc',
         'renderer/webworker_proxy.h',
@@ skipping 3673 matching lines @@
       ],  # targets when browser_sync==1
     }],
   ],  # 'conditions'
 }
 
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