Add shared bitmap managers for browser and renderer processes.

content/browser/renderer_host/render_message_filter.h

Index: content/browser/renderer_host/render_message_filter.h
diff --git a/content/browser/renderer_host/render_message_filter.h b/content/browser/renderer_host/render_message_filter.h
index b87b9624f56b9af9bd8bdf6d8b6edbd82fead3ab..a82ed94dc163fb36bb4554f07940494aa236b2a5 100644
--- a/content/browser/renderer_host/render_message_filter.h
+++ b/content/browser/renderer_host/render_message_filter.h
@@ -19,6 +19,7 @@
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
+#include "cc/resources/shared_bitmap_manager.h"
 #include "content/common/pepper_renderer_instance_data.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/common/three_d_api_types.h"
@@ -213,6 +214,13 @@ class RenderMessageFilter : public BrowserMessageFilter {
   // in the renderer on POSIX due to the sandbox.
   void OnAllocateSharedMemory(uint32 buffer_size,
                               base::SharedMemoryHandle* handle);
+  void OnAllocateSharedBitmap(uint32 buffer_size,
+                              const cc::SharedBitmapId& id,
+                              base::SharedMemoryHandle* handle);
+  void OnAllocatedSharedBitmap(size_t buffer_size,
+                               const base::SharedMemoryHandle& handle,
+                               const cc::SharedBitmapId& id);
+  void OnDeletedSharedBitmap(const cc::SharedBitmapId& id);
   void OnResolveProxy(const GURL& url, IPC::Message* reply_msg);
 
   // Browser side transport DIB allocation