Merge 280970 "Add switch to disable recording whole document"

content/public/browser/android/synchronous_compositor.h

 // Copyright 2013 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 CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "gpu/command_buffer/service/in_process_command_buffer.h"
@@ skipping 45 matching lines @@
 
   // Allows changing or resetting the client to NULL (this must be used if
   // the client is being deleted prior to the DidDestroyCompositor() call
   // being received by the client). Ownership of |client| remains with
   // the caller.
   virtual void SetClient(SynchronousCompositorClient* client) = 0;
 
   static void SetGpuService(
       scoped_refptr<gpu::InProcessCommandBuffer::Service> service);
 
+  // By default, synchronous compopsitor records the full layer, not only
+  // what is inside and around the view port. Call this on start up to revert
+  // to default behavior when synchronous compositor is not used.
+  static void DisableRecordFullLayer();
+
   // Synchronously initialize compositor for hardware draw. Can only be called
   // while compositor is in software only mode, either after compositor is
   // first created or after ReleaseHwDraw is called. It is invalid to
   // DemandDrawHw before this returns true.
   virtual bool InitializeHwDraw() = 0;
 
   // Reverse of InitializeHwDraw above. Can only be called while hardware draw
   // is already initialized. Brings compositor back to software only mode and
   // releases all hardware resources.
   virtual void ReleaseHwDraw() = 0;
@@ skipping 28 matching lines @@
   // SynchronousCompositorClient::GetTotalRootLayerScrollOffset).
   virtual void DidChangeRootLayerScrollOffset() = 0;
 
  protected:
   virtual ~SynchronousCompositor() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_