Use inner HWND for accelerated rendering on windows

chrome/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2010 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 <QuartzCore/QuartzCore.h>
 
 #include "chrome/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include "app/app_switches.h"
 #include "app/surface/io_surface_support_mac.h"
@@ skipping 672 matching lines @@
 void RenderWidgetHostViewMac::ImeCancelComposition() {
   [cocoa_view_ cancelComposition];
 }
 
 void RenderWidgetHostViewMac::DidUpdateBackingStore(
     const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy,
     const std::vector<gfx::Rect>& copy_rects) {
   if (!is_hidden_) {
     std::vector<gfx::Rect> rects(copy_rects);
 
-    // Because the findbar might be open, we cannot use scrollRect:by: here.  For
+    // Because the findbar might be open, we cannot use scrollRect:by: here. For
     // now, simply mark all of scroll rect as dirty.
     if (!scroll_rect.IsEmpty())
       rects.push_back(scroll_rect);
 
     for (size_t i = 0; i < rects.size(); ++i) {
       NSRect ns_rect = [cocoa_view_ flipRectToNSRect:rects[i]];
 
       if (about_to_validate_and_paint_) {
         // As much as we'd like to use -setNeedsDisplayInRect: here, we can't.
         // We're in the middle of executing a -drawRect:, and as soon as it
@@ skipping 239 matching lines @@
   if (plugin_container_manager_.SurfaceShouldBeVisible(window))
     [view setHidden:NO];
   [view setSurfaceWasSwapped:YES];
 }
 
 void RenderWidgetHostViewMac::UpdateRootGpuViewVisibility(
     bool show_gpu_widget) {
   // Plugins are destroyed on page navigate. The compositor layer on the other
   // hand is created on demand and then stays alive until its renderer process
   // dies (usually on cross-domain navigation). Instead, only a flag
-  // |is_gpu_rendering_active()| is flipped when the compositor output should be
-  // shown/hidden.
+  // |is_accelerated_compositing_active()| is flipped when the compositor output
+  // should be shown/hidden.
   // Show/hide the view belonging to the compositor here.
   plugin_container_manager_.set_gpu_rendering_active(show_gpu_widget);
 
   gfx::PluginWindowHandle root_handle =
       plugin_container_manager_.root_container_handle();
   if (root_handle != gfx::kNullPluginWindow) {
     PluginViewMap::iterator it = plugin_views_.find(root_handle);
     DCHECK(plugin_views_.end() != it);
     if (plugin_views_.end() == it) {
       return;
     }
     bool visible =
         plugin_container_manager_.SurfaceShouldBeVisible(root_handle);
     [[it->second window] disableScreenUpdatesUntilFlush];
     [it->second setHidden:!visible];
   }
 }
 
 void RenderWidgetHostViewMac::HandleDelayedGpuViewHiding() {
   if (needs_gpu_visibility_update_after_repaint_) {
     UpdateRootGpuViewVisibility(false);
     needs_gpu_visibility_update_after_repaint_ = false;
   }
 }
 
 void RenderWidgetHostViewMac::GpuRenderingStateDidChange() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  if (GetRenderWidgetHost()->is_gpu_rendering_active()) {
+  if (GetRenderWidgetHost()->is_accelerated_compositing_active()) {
     UpdateRootGpuViewVisibility(
-        GetRenderWidgetHost()->is_gpu_rendering_active());
+        GetRenderWidgetHost()->is_accelerated_compositing_active());
   } else {
     needs_gpu_visibility_update_after_repaint_ = true;
   }
 }
 
 void RenderWidgetHostViewMac::DrawAcceleratedSurfaceInstance(
       CGLContextObj context,
       gfx::PluginWindowHandle plugin_handle,
       NSSize size) {
   // Called on the display link thread.
@@ skipping 577 matching lines @@
 - (void)drawRect:(NSRect)dirtyRect {
   if (!renderWidgetHostView_->render_widget_host_) {
     // TODO(shess): Consider using something more noticable?
     [[NSColor whiteColor] set];
     NSRectFill(dirtyRect);
     return;
   }
 
   const gfx::Rect damagedRect([self flipNSRectToRect:dirtyRect]);
 
-  if (renderWidgetHostView_->render_widget_host_->is_gpu_rendering_active()) {
+  if (renderWidgetHostView_->render_widget_host_->
+      is_accelerated_compositing_active()) {
     gfx::Rect gpuRect;
 
     gfx::PluginWindowHandle root_handle =
        renderWidgetHostView_->plugin_container_manager_.root_container_handle();
     if (root_handle != gfx::kNullPluginWindow) {
       RenderWidgetHostViewMac::PluginViewMap::iterator it =
           renderWidgetHostView_->plugin_views_.find(root_handle);
       DCHECK(it != renderWidgetHostView_->plugin_views_.end());
       if (it != renderWidgetHostView_->plugin_views_.end() &&
           ![it->second isHidden]) {
@@ skipping 975 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end