Use gpu::Mailbox in IPCs instead of std::string

content/browser/renderer_host/render_widget_host_view_android.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 22 matching lines @@
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size_conversions.h"
 #include "webkit/compositor_bindings/web_compositor_support_impl.h"
 
 namespace content {
 
 namespace {
 
 void InsertSyncPointAndAckForGpu(
-    int gpu_host_id, int route_id, const std::string& return_mailbox) {
+    int gpu_host_id, int route_id, const gpu::Mailbox& return_mailbox) {
   uint32 sync_point =
       ImageTransportFactoryAndroid::GetInstance()->InsertSyncPoint();
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   ack_params.mailbox_name = return_mailbox;
   ack_params.sync_point = sync_point;
   RenderWidgetHostImpl::AcknowledgeBufferPresent(
       route_id, gpu_host_id, ack_params);
 }
 
 void InsertSyncPointAndAckForCompositor(
@@ skipping 435 matching lines @@
   ImageTransportFactoryAndroid::GetInstance()->WaitSyncPoint(
       frame.gl_frame_data->sync_point);
   BuffersSwapped(
       frame.gl_frame_data->mailbox, frame.gl_frame_data->size, callback);
 
 }
 
 void RenderWidgetHostViewAndroid::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
-  if (params.mailbox_name.empty())
+  if (params.mailbox_name.IsZero())
     return;
 
-  std::string return_mailbox;
-  if (!current_mailbox_.IsZero()) {
-    return_mailbox.assign(
-        reinterpret_cast<const char*>(current_mailbox_.name),
-        sizeof(current_mailbox_.name));
-  }
-
   base::Closure callback = base::Bind(&InsertSyncPointAndAckForGpu,
                                       gpu_host_id, params.route_id,
-                                      return_mailbox);
-
-  gpu::Mailbox mailbox;
-  std::copy(params.mailbox_name.data(),
-            params.mailbox_name.data() + params.mailbox_name.length(),
-            reinterpret_cast<char*>(mailbox.name));
-
-  BuffersSwapped(mailbox, params.size, callback);
+                                      current_mailbox_);
+  BuffersSwapped(params.mailbox_name, params.size, callback);
 }
 
 void RenderWidgetHostViewAndroid::BuffersSwapped(
     const gpu::Mailbox& mailbox,
     const gfx::Size size,
     const base::Closure& ack_callback) {
   ImageTransportFactoryAndroid* factory =
       ImageTransportFactoryAndroid::GetInstance();
 
   // TODO(sievers): When running the impl thread in the browser we
@@ skipping 211 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content