Allow out-of-process iframes to render to compositing surfaces.

content/browser/frame_host/render_widget_host_view_guest_unittest.cc

 // 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/frame_host/render_widget_host_view_guest.h"
 
 #include "base/basictypes.h"
 #include "base/message_loop/message_loop.h"
+#include "content/browser/compositor/test/no_transport_image_transport_factory.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "content/test/test_render_view_host.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 namespace {
 class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
  public:
   MockRenderWidgetHostDelegate() {}
   ~MockRenderWidgetHostDelegate() override {}
 };
 
 class RenderWidgetHostViewGuestTest : public testing::Test {
  public:
   RenderWidgetHostViewGuestTest() {}
 
   void SetUp() override {
+#if !defined(OS_ANDROID)
+    ImageTransportFactory::InitializeForUnitTests(
+        scoped_ptr<ImageTransportFactory>(
+            new NoTransportImageTransportFactory));
+#endif
     browser_context_.reset(new TestBrowserContext);
     MockRenderProcessHost* process_host =
         new MockRenderProcessHost(browser_context_.get());
     widget_host_ = new RenderWidgetHostImpl(
         &delegate_, process_host, MSG_ROUTING_NONE, false);
     view_ = new RenderWidgetHostViewGuest(
         widget_host_, NULL,
         (new TestRenderWidgetHostView(widget_host_))->GetWeakPtr());
   }
 
@@ skipping 26 matching lines @@
 
 TEST_F(RenderWidgetHostViewGuestTest, VisibilityTest) {
   view_->Show();
   ASSERT_TRUE(view_->IsShowing());
 
   view_->Hide();
   ASSERT_FALSE(view_->IsShowing());
 }
 
 }  // namespace content