Introduce abstractions to allow embedders to test RenderViewHost

chrome/test/base/chrome_render_view_host_test_harness.h

Index: chrome/test/base/chrome_render_view_host_test_harness.h
diff --git a/chrome/test/base/chrome_render_view_host_test_harness.h b/chrome/test/base/chrome_render_view_host_test_harness.h
index a51bf04220b873c1f8287753f1f8483c92270a21..1eb7333bba2bb5d5bddac3ee12eb59f62caf1e16 100644
--- a/chrome/test/base/chrome_render_view_host_test_harness.h
+++ b/chrome/test/base/chrome_render_view_host_test_harness.h
@@ -7,7 +7,7 @@
 #pragma once
 
 #include "base/compiler_specific.h"
-#include "content/browser/renderer_host/test_render_view_host.h"
+#include "content/test/test_renderer_host.h"
 
 class TestingProfile;
 
@@ -20,6 +20,8 @@ class ChromeRenderViewHostTestHarness : public RenderViewHostTestHarness {
 
   TestingProfile* profile();
 
+  content::RenderViewHostTester* rvh_tester();
+
  protected:
   // testing::Test
   virtual void SetUp() OVERRIDE;