Add abstractions that let embedders drive tests of WebContents.

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 8681d2e50ce9b45b71cb55c9fc3b8e1f8edf2bde..0c7e6a4cee4a2feb7c3a8d611aa73db5ff1ad9be 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
@@ -15,14 +15,15 @@
 using content::RenderWidgetHostView;
 using content::RenderViewHostImplTestHarness;
 
-// This approach (of using RenderViewHostTestHarness's RenderViewHost for a new
-// RenderWidgetHostView) is borrowed from RenderWidgetHostViewMacTest.
+// This approach (of using RenderViewHostImplTestHarness's
+// RenderViewHost for a new RenderWidgetHostView) is borrowed from
+// RenderWidgetHostViewMacTest.
 class RenderWidgetHostViewAuraTest : public RenderViewHostImplTestHarness {
  public:
   RenderWidgetHostViewAuraTest() : old_rwhv_(NULL) {}
 
   virtual void SetUp() {
-    RenderViewHostTestHarness::SetUp();
+    RenderViewHostImplTestHarness::SetUp();
     old_rwhv_ = rvh()->GetView();
     rwhv_aura_ = static_cast<RenderWidgetHostViewAura*>(
         RenderWidgetHostView::CreateViewForWidget(rvh()));
@@ -36,7 +37,7 @@ class RenderWidgetHostViewAuraTest : public RenderViewHostImplTestHarness {
     // Destroying RWHV sets the host's view to NULL, so destroying view first,
     // then set the view.
     test_rvh()->SetView(old_rwhv_);
-    RenderViewHostTestHarness::TearDown();
+    RenderViewHostImplTestHarness::TearDown();
   }
 
  protected: