Add GrabWindowSnapshotAsync tests

content/browser/renderer_host/render_widget_host_view_aura_unittest.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/basictypes.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 139 matching lines @@
 
 class RenderWidgetHostViewAuraTest : public testing::Test {
  public:
   RenderWidgetHostViewAuraTest()
       : browser_thread_for_ui_(BrowserThread::UI, &message_loop_) {}
 
   virtual void SetUp() {
     ImageTransportFactory::InitializeForUnitTests(
         scoped_ptr<ui::ContextFactory>(new ui::TestContextFactory));
     aura_test_helper_.reset(new aura::test::AuraTestHelper(&message_loop_));
-    aura_test_helper_->SetUp();
+    bool allow_test_contexts = true;
+    aura_test_helper_->SetUp(allow_test_contexts);
 
     browser_context_.reset(new TestBrowserContext);
     process_host_ = new MockRenderProcessHost(browser_context_.get());
 
     sink_ = &process_host_->sink();
 
     parent_host_ = new RenderWidgetHostImpl(
         &delegate_, process_host_, MSG_ROUTING_NONE, false);
     parent_view_ = static_cast<RenderWidgetHostViewAura*>(
         RenderWidgetHostView::CreateViewForWidget(parent_host_));
@@ skipping 1040 matching lines @@
   view_->OnSwapCompositorFrame(
       1, MakeDelegatedFrame(2.f, frame_size, gfx::Rect(frame_size)));
 
   // When we get a new frame with the same frame size in physical pixels, but a
   // different scale, we should generate a new frame provider, as the final
   // result will need to be scaled differently to the screen.
   EXPECT_NE(frame_provider.get(), view_->frame_provider_.get());
 }
 
 }  // namespace content