Use correct WebTestDelegate from WebViewTestClient and WebTestProxyBase.

components/test_runner/web_test_proxy.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_TEST_RUNNER_WEB_TEST_PROXY_H_
 #define COMPONENTS_TEST_RUNNER_WEB_TEST_PROXY_H_
 
 #include <string>
 #include <utility>
 
@@ skipping 54 matching lines @@
     DCHECK(!web_view_);
     web_view_ = view;
   }
 
   void set_view_test_client(scoped_ptr<WebViewTestClient> view_test_client) {
     DCHECK(view_test_client);
     DCHECK(!view_test_client_);
     view_test_client_ = std::move(view_test_client);
   }
 
+  WebTestDelegate* delegate() { return delegate_; }
+  void set_delegate(WebTestDelegate* delegate) {
+    DCHECK(delegate);
+    DCHECK(!delegate_);
+    delegate_ = delegate;
+  }
+
   void SetInterfaces(WebTestInterfaces* interfaces);
-  void SetDelegate(WebTestDelegate* delegate);
 
   std::string DumpBackForwardLists();
 
   void LayoutAndPaintAsyncThen(const base::Closure& callback);
 
   void GetScreenOrientationForTesting(blink::WebScreenInfo&);
 
  protected:
   WebTestProxyBase();
   ~WebTestProxyBase();
@@ skipping 120 matching lines @@
 
  private:
   virtual ~WebTestProxy() {}
 
   DISALLOW_COPY_AND_ASSIGN(WebTestProxy);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_TEST_PROXY_H_