Use correct WebView from AccessibilityController.

components/test_runner/accessibility_controller.h

Index: components/test_runner/accessibility_controller.h
diff --git a/components/test_runner/accessibility_controller.h b/components/test_runner/accessibility_controller.h
index 376f7b08cd001fea9752dec17d70503d21834ea1..82618fc2241b56e3c0dbb47dfc74098201c68ef7 100644
--- a/components/test_runner/accessibility_controller.h
+++ b/components/test_runner/accessibility_controller.h
@@ -14,30 +14,26 @@
 #include "v8/include/v8.h"
 
 namespace blink {
-class WebFrame;
+class WebLocalFrame;
 class WebString;
 class WebView;
 }
 
 namespace test_runner {
 
-class WebTestDelegate;
+class WebTestProxyBase;
 
-class AccessibilityController :
-      public base::SupportsWeakPtr<AccessibilityController> {
+class AccessibilityController {
  public:
-  AccessibilityController();
+  explicit AccessibilityController(WebTestProxyBase* web_test_proxy_base);
   ~AccessibilityController();
 
   void Reset();
-  void Install(blink::WebFrame* frame);
+  void Install(blink::WebLocalFrame* frame);
   bool ShouldLogAccessibilityEvents();
   void NotificationReceived(const blink::WebAXObject& target,
                             const std::string& notification_name);
 
-  void SetDelegate(WebTestDelegate* delegate);
-  void SetWebView(blink::WebView* web_view);
-
  private:
   friend class AccessibilityControllerBindings;
 
@@ -59,8 +55,8 @@ class AccessibilityController :
 
   v8::Persistent<v8::Function> notification_callback_;
 
-  WebTestDelegate* delegate_;
-  blink::WebView* web_view_;
+  blink::WebView* web_view();
+  WebTestProxyBase* web_test_proxy_base_;
 
   base::WeakPtrFactory<AccessibilityController> weak_factory_;