MacViews: Move content::AcceleratedWidget to new component, ui/accelerated_widget_mac

content/browser/compositor/browser_compositor_view_mac.mm

 // Copyright 2014 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/compositor/browser_compositor_view_mac.h"
 
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
-#include "content/browser/compositor/browser_compositor_ca_layer_tree_mac.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/render_widget_resize_helper.h"
 #include "content/public/browser/context_factory.h"
+#include "gpu/config/gpu_driver_bug_workaround_type.h"
+#include "ui/compositor/mac/accelerated_widget_mac.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserCompositorMac
 
 namespace content {
 
 namespace {
 
 // The number of placeholder objects allocated. If this reaches zero, then
 // the BrowserCompositorMac being held on to for recycling,
 // |g_recyclable_browser_compositor|, will be freed.
 uint32 g_placeholder_count = 0;
 
 // A spare BrowserCompositorMac kept around for recycling.
 base::LazyInstance<scoped_ptr<BrowserCompositorMac>>
   g_recyclable_browser_compositor;
 
+bool WidgetNeedsGLFinishWorkaround() {
+  return GpuDataManagerImpl::GetInstance()->IsDriverBugWorkaroundActive(
+      gpu::FORCE_GL_FINISH_AFTER_COMPOSITING);
+}
+
 }  // namespace
 
 BrowserCompositorMac::BrowserCompositorMac()
-    : compositor_(
+    : accelerated_widget_mac_(WidgetNeedsGLFinishWorkaround()),
+      compositor_(
           accelerated_widget_mac_.accelerated_widget(),
           content::GetContextFactory(),
           RenderWidgetResizeHelper::Get()->task_runner()) {
   compositor_.SetVisible(false);
 }
 
 // static
 scoped_ptr<BrowserCompositorMac> BrowserCompositorMac::Create() {
   if (g_recyclable_browser_compositor.Get())
     return g_recyclable_browser_compositor.Get().Pass();
@@ skipping 25 matching lines @@
   DCHECK_GT(g_placeholder_count, 0u);
   g_placeholder_count -= 1;
 
   // If there are no placeholders allocated, destroy the recyclable
   // BrowserCompositorMac.
   if (!g_placeholder_count)
     g_recyclable_browser_compositor.Get().reset();
 }
 
 }  // namespace content