Introduce abstractions to allow embedders to test RenderViewHost

chrome/browser/accessibility/accessibility_win_browsertest.cc

Index: chrome/browser/accessibility/accessibility_win_browsertest.cc
diff --git a/chrome/browser/accessibility/accessibility_win_browsertest.cc b/chrome/browser/accessibility/accessibility_win_browsertest.cc
index d0206c45f48fde70cfbaa965c1eac5ec3b9e2089..79c3c9924e3bbdb92c29ce867ac018b6908034aa 100644
--- a/chrome/browser/accessibility/accessibility_win_browsertest.cc
+++ b/chrome/browser/accessibility/accessibility_win_browsertest.cc
@@ -14,12 +14,12 @@
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
-#include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
+#include "content/test/test_renderer_host.h"
 #include "third_party/iaccessible2/ia2_api_all.h"
 #include "third_party/isimpledom/ISimpleDOMNode.h"
 
@@ -196,7 +196,7 @@ void RecursiveFindNodeInAccessibilityTree(
 // of the selected tab.
 IAccessible*
 AccessibilityWinBrowserTest::GetRendererAccessible() {
-  content::TestRenderViewHost::EnableAccessibilityUpdatedNotifications(
+  content::RenderViewHostTester::EnableAccessibilityUpdatedNotifications(
       browser()->GetSelectedWebContents()->GetRenderViewHost());
 
   HWND hwnd_render_widget_host_view =