Re-fix http://crbug.com/87176, and add a test.

content/browser/renderer_host/render_widget_host_view_guest_unittest.cc

Index: content/browser/renderer_host/render_widget_host_view_guest_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_guest_unittest.cc b/content/browser/renderer_host/render_widget_host_view_guest_unittest.cc
index 5cac690d8d2aa4c7dd13e75600e27aea2cd67561..8655636d9d370f894a3b06fcc1156554b2e8a6f1 100644
--- a/content/browser/renderer_host/render_widget_host_view_guest_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_guest_unittest.cc
@@ -33,10 +33,8 @@ class RenderWidgetHostViewGuestTest : public testing::Test {
         new MockRenderProcessHost(browser_context_.get());
     widget_host_ = new RenderWidgetHostImpl(
         &delegate_, process_host, MSG_ROUTING_NONE);
-    test_platform_view_.reset(new TestRenderWidgetHostView(widget_host_));
-    view_ = static_cast<RenderWidgetHostViewGuest*>(
-        new RenderWidgetHostViewGuest(
-            widget_host_, NULL, test_platform_view_.get()));
+    view_ = new RenderWidgetHostViewGuest(
+        widget_host_, NULL, new TestRenderWidgetHostView(widget_host_));
   }
 
   virtual void TearDown() {
@@ -60,8 +58,6 @@ class RenderWidgetHostViewGuestTest : public testing::Test {
   RenderWidgetHostImpl* widget_host_;
   RenderWidgetHostViewGuest* view_;
 
-  scoped_ptr<TestRenderWidgetHostView> test_platform_view_;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewGuestTest);
 };