3D Compositing in <browser>, first draft.

content/browser/renderer_host/render_widget_host_view_aura.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_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 187 matching lines @@
   gfx::Size new_size_;
   scoped_refptr<aura::CompositorLock> compositor_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(ResizeLock);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, public:
 
 RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host)
-    : host_(RenderWidgetHostImpl::From(host)),
+    : RenderWidgetHostViewBase(CompositingDelegateAura(this)),
+      host_(RenderWidgetHostImpl::From(host)),
       ALLOW_THIS_IN_INITIALIZER_LIST(window_(new aura::Window(this))),
       in_shutdown_(false),
       is_fullscreen_(false),
       popup_parent_host_view_(NULL),
       popup_child_host_view_(NULL),
       is_loading_(false),
       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
       can_compose_inline_(true),
       has_composition_text_(false),
       current_surface_(0),
@@ skipping 461 matching lines @@
 void RenderWidgetHostViewAura::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
   // Not needed. Mac-only.
 }
 
 void RenderWidgetHostViewAura::SetScrollOffsetPinning(
     bool is_pinned_to_left, bool is_pinned_to_right) {
   // Not needed. Mac-only.
 }
 
-gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
-  ui::Compositor* compositor = GetCompositor();
-  if (shared_surface_handle_.is_null() && compositor) {
-    ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
-    shared_surface_handle_ = factory->CreateSharedSurfaceHandle(compositor);
-    factory->AddObserver(this);
-  }
-  return shared_surface_handle_;
-}
-
 bool RenderWidgetHostViewAura::LockMouse() {
   aura::RootWindow* root_window = window_->GetRootWindow();
   if (!root_window)
     return false;
 
   if (mouse_locked_)
     return true;
 
   mouse_locked_ = true;
   window_->SetCapture();
@@ skipping 703 matching lines @@
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
+
+////////////////////////////////////////////////////////////////////////////////
+// CompositingDelegateAura, public:
+
+gfx::GLSurfaceHandle
+RenderWidgetHostViewAura::CompositingDelegateAura::GetCompositingSurface() {
+  ui::Compositor* compositor = view_->GetCompositor();
+  if (view_->shared_surface_handle_.is_null() && compositor) {
+    ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
+    view_shared_surface_handle_ =
+        factory->CreateSharedSurfaceHandle(compositor);
+    factory->AddObserver(view_);
+  }
+  return view_shared_surface_handle_;
+}
+
+bool
+renderWidgetHostViewAura::CompositingDelegateAura::ResizeNeedsNewSurface() {
+  return false;
+}