Implement OSMesa image transport for TOUCH_UI builds

chrome/browser/renderer_host/render_widget_host_view_views_touch.cc

 // Copyright (c) 2011 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/renderer_host/accelerated_surface_container_touch.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
@@ skipping 179 matching lines @@
   return status;
 }
 
 gfx::PluginWindowHandle RenderWidgetHostViewViews::GetCompositingSurface() {
   // On TOUCH_UI builds, the GPU process renders to an offscreen surface
   // (created by the GPU process), which is later displayed by the browser.
   // As the GPU process creates this surface, we can return any non-zero value.
   return 1;
 }
 
-void RenderWidgetHostViewViews::AcceleratedSurfaceSetIOSurface(
-    int32 width, int32 height, uint64 surface_id) {
-  accelerated_surface_containers_[surface_id] =
-    AcceleratedSurfaceContainerTouch::CreateAcceleratedSurfaceContainer(
-        gfx::Size(width, height),
-        surface_id);
+void RenderWidgetHostViewViews::AcceleratedSurfaceNew(
+    int32 width,
+    int32 height,
+    uint64* surface_id,
+    TransportDIB::Handle* surface_handle) {
+  AcceleratedSurfaceContainerTouch* surface =

[sky, 2011/09/21 21:39:55]

Use a scoped_ptr or scoped_refptr.

+      AcceleratedSurfaceContainerTouch::CreateAcceleratedSurfaceContainer(
+          gfx::Size(width, height));
+  if (!surface->Initialize(surface_id)) {
+    LOG(ERROR) << "Failed to create AcceleratedSurfaceContainer";
+    delete surface;
+    return;
+  }
+  *surface_handle = surface->handle();
+
+  accelerated_surface_containers_[*surface_id] = surface;
 }
 
 void RenderWidgetHostViewViews::AcceleratedSurfaceRelease(uint64 surface_id) {
   accelerated_surface_containers_.erase(surface_id);
 }
 
 void RenderWidgetHostViewViews::AcceleratedSurfaceBuffersSwapped(
     uint64 surface_id,
     int32 route_id,
     int gpu_host_id) {
@@ skipping 16 matching lines @@
 void RenderWidgetHostViewViews::OnCompositingEnded(ui::Compositor* compositor) {
   for (std::vector< base::Callback<void(void)> >::const_iterator
       it = on_compositing_ended_callbacks_.begin();
       it != on_compositing_ended_callbacks_.end(); ++it) {
     it->Run();
   }
   on_compositing_ended_callbacks_.clear();
   compositor->RemoveObserver(this);
 }