Add WebView implementation for CookieManager.

base/threading/thread_restrictions.h

 // 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.
 
 #ifndef BASE_THREADING_THREAD_RESTRICTIONS_H_
 #define BASE_THREADING_THREAD_RESTRICTIONS_H_
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
 
 // See comment at top of thread_checker.h
 #if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON))
 #define ENABLE_THREAD_RESTRICTIONS 1
 #else
 #define ENABLE_THREAD_RESTRICTIONS 0
 #endif
 
 class AcceleratedPresenter;
 class BrowserProcessImpl;
 class HistogramSynchronizer;
 class GpuChannelHost;
 class MetricsService;
 class NativeBackendKWallet;
+class ScopedAllowWaitForLegacyWebViewApi;
 class TestingAutomationProvider;
 class TextInputClientMac;
 
 namespace browser_sync {
 class NonFrontendDataTypeController;
 class UIModelWorker;
 }
 namespace chromeos {
 class AudioMixerAlsa;
 class BlockingMethodCaller;
@@ skipping 120 matching lines @@
   static void AssertSingletonAllowed() {}
   static void DisallowWaiting() {}
   static void AssertWaitAllowed() {}
 #endif
 
  private:
   // DO NOT ADD ANY OTHER FRIEND STATEMENTS, talk to jam or brettw first.
   // BEGIN ALLOWED USAGE.
   friend class content::RenderWidgetHelper;
   friend class ::HistogramSynchronizer;
+  friend class ::ScopedAllowWaitForLegacyWebViewApi;
   friend class ::TestingAutomationProvider;
   friend class SequencedWorkerPool;
   friend class SimpleThread;
   friend class Thread;
   friend class ThreadTestHelper;
   // END ALLOWED USAGE.
   // BEGIN USAGE THAT NEEDS TO BE FIXED.
   friend class ::chromeos::AudioMixerAlsa;        // http://crbug.com/125206
   friend class ::chromeos::BlockingMethodCaller;  // http://crbug.com/125360
   friend class ::chromeos::system::StatisticsProviderImpl;  // http://crbug.com/125385
@@ skipping 39 matching lines @@
 
     DISALLOW_COPY_AND_ASSIGN(ScopedAllowWait);
   };
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ThreadRestrictions);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_THREAD_RESTRICTIONS_H_