Implement pepper flash fullscreen on Mac

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // 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_mac.h"
 
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/common/gpu/gpu_messages.h"
@@ skipping 182 matching lines @@
 
   // A click on the accelerated view should focus the RWHVCocoa.
   std::pair<NSEvent*, NSEvent*> clicks =
       cocoa_test_event_utils::MouseClickInView(accelerated_view, 1);
   [rwhv_cocoa_.get() mouseDown:clicks.first];
   EXPECT_EQ(rwhv_cocoa_.get(), [window firstResponder]);
 
   // Clean up.
   rwhv_mac_->DestroyFakePluginWindowHandle(accelerated_handle);
 }
+
+TEST_F(RenderWidgetHostViewMacTest, Fullscreen) {
+  rwhv_mac_->InitAsFullscreen(NULL);
+  EXPECT_TRUE(rwhv_mac_->fullscreen_window());
+}