Introduce abstractions to allow embedders to test RenderViewHost

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

Index: content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
index ee32af98c47173cd877228613e83a311a41ae450..8681d2e50ce9b45b71cb55c9fc3b8e1f8edf2bde 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
@@ -13,10 +13,11 @@
 #include "ui/base/ui_base_types.h"
 
 using content::RenderWidgetHostView;
+using content::RenderViewHostImplTestHarness;
 
 // This approach (of using RenderViewHostTestHarness's RenderViewHost for a new
 // RenderWidgetHostView) is borrowed from RenderWidgetHostViewMacTest.
-class RenderWidgetHostViewAuraTest : public RenderViewHostTestHarness {
+class RenderWidgetHostViewAuraTest : public RenderViewHostImplTestHarness {
  public:
   RenderWidgetHostViewAuraTest() : old_rwhv_(NULL) {}
 
@@ -34,7 +35,7 @@ class RenderWidgetHostViewAuraTest : public RenderViewHostTestHarness {
     rwhv_aura_->Destroy();
     // Destroying RWHV sets the host's view to NULL, so destroying view first,
     // then set the view.
-    rvh()->SetView(old_rwhv_);
+    test_rvh()->SetView(old_rwhv_);
     RenderViewHostTestHarness::TearDown();
   }