Fix invalid C-style cast in RenderFrameImplTest.

content/renderer/render_frame_impl_browsertest.cc

Index: content/renderer/render_frame_impl_browsertest.cc
diff --git a/content/renderer/render_frame_impl_browsertest.cc b/content/renderer/render_frame_impl_browsertest.cc
index ceb52cd626293343294bbb5938217a221e0e8bba..9ba0f70d814cd9ef1b074d0f6aefefbae879b7c6 100644
--- a/content/renderer/render_frame_impl_browsertest.cc
+++ b/content/renderer/render_frame_impl_browsertest.cc
@@ -110,7 +110,8 @@ class RenderFrameTestObserver : public RenderFrameObserver {
 // RenderWidget.
 TEST_F(RenderFrameImplTest, MAYBE_SubframeWidget) {
   EXPECT_TRUE(frame_widget());
-  EXPECT_NE(frame_widget(), (content::RenderWidget*)view_);
+  EXPECT_NE(frame_widget(),
+            static_cast<content::RenderViewImpl*>((view_)));

[nasko, 2015/08/06 18:08:33]

This is not a correct cast. The subframe should have a RenderWidget, which is
not a RenderViewImpl. Also, the view_ as a RenderWidget should be different than
what frame_widget() returns, since they are different instances.

 }
 
 // Verify a subframe RenderWidget properly processes its viewport being