Create RenderFrame/RenderFrameHost for the main frame of a page.

content/renderer/render_view_browsertest.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 "base/basictypes.h"
 
 #include "base/shared_memory.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "content/common/view_messages.h"
@@ skipping 1837 matching lines @@
   ProcessPendingMessages();
 
   // Copy the document content to std::wstring and compare with the
   // expected result.
   const int kMaxOutputCharacters = 256;
   std::wstring output = UTF16ToWideHack(
       GetMainFrame()->contentAsText(kMaxOutputCharacters));
   EXPECT_EQ(output, L"hello \n\nworld");
 }
 
+// This test ensures that a RenderFrame object is created for the top level
+// frame in the RenderView.
+TEST_F(RenderViewImplTest, BasicRenderFrame) {
+  EXPECT_TRUE(view()->main_render_frame_.get());
+}
+
 }  // namespace content