mustash: enable GPU Compositing in renderer

content/browser/renderer_host/render_widget_host_view_mus.cc

 // Copyright 2015 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_mus.h"
 
 #include "components/mus/public/cpp/window.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 #include "content/browser/mojo/mojo_shell_client_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ skipping 44 matching lines @@
 void RenderWidgetHostViewMus::Hide() {
   host_->WasHidden();
 }
 
 bool RenderWidgetHostViewMus::IsShowing() {
   return !host_->is_hidden();
 }
 
 void RenderWidgetHostViewMus::SetSize(const gfx::Size& size) {
   size_ = size;
-  window_->window()->SetBounds(gfx::Rect(size));
+  gfx::Rect bounds = window_->window()->bounds();
+  bounds.set_x(10);

[Fady Samuel, 2015/11/30 23:06:54]

Please add a TODO(fsamuel): above to figure out position.

[Peng, 2015/12/01 15:22:46]

Done.

+  bounds.set_y(150);
+  bounds.set_size(size);
+  window_->window()->SetBounds(bounds);
   host_->WasResized();
 }
 
 void RenderWidgetHostViewMus::SetBounds(const gfx::Rect& rect) {
   SetSize(rect.size());
 }
 
 void RenderWidgetHostViewMus::Focus() {
   // TODO(fsamuel): Request focus for the associated Mus::Window
   // We need to be careful how we propagate focus as we navigate to and
@@ skipping 220 matching lines @@
 void RenderWidgetHostViewMus::SetParentNativeViewAccessible(
     gfx::NativeViewAccessible accessible_parent) {}
 
 gfx::NativeViewId RenderWidgetHostViewMus::GetParentForWindowlessPlugin()
     const {
   return gfx::NativeViewId();
 }
 #endif
 
 }  // namespace content