Add WebWidgetTestProxy.

components/test_runner/web_widget_test_client.h

 // Copyright 2016 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_WIDGET_TEST_CLIENT_H_
 #define COMPONENTS_TEST_RUNNER_WEB_WIDGET_TEST_CLIENT_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "third_party/WebKit/public/web/WebWidgetClient.h"
 
 namespace blink {
 class WebWidget;
 }  // namespace blink
 
 namespace test_runner {
 
 class TestRunner;
 class WebTestDelegate;
 class WebViewTestProxyBase;
+class WebWidgetTestProxyBase;
 
 // WebWidgetTestClient implements WebWidgetClient interface, providing behavior
 // expected by tests.  WebWidgetTestClient ends up used by WebViewTestProxy
 // which coordinates forwarding WebWidgetClient calls either to
 // WebWidgetTestClient or to the product code (i.e. currently to
 // RenderViewImpl).
 class WebWidgetTestClient : public blink::WebWidgetClient {
  public:
   // Caller has to ensure that all arguments (i.e. |test_runner| and |delegate|)
   // live longer than |this|.
   WebWidgetTestClient(TestRunner* test_runner,
-                      WebViewTestProxyBase* web_view_test_proxy_base);
+                      WebWidgetTestProxyBase* web_widget_test_proxy_base);
 
   virtual ~WebWidgetTestClient();
 
+  void set_web_view_test_proxy_base(
+      WebViewTestProxyBase* web_view_test_proxy_base) {
+    web_view_test_proxy_base_ = web_view_test_proxy_base;
+  }
+
   // WebWidgetClient overrides needed by WebViewTestProxy.
   blink::WebScreenInfo screenInfo() override;
   void scheduleAnimation() override;
   bool requestPointerLock() override;
   void requestPointerUnlock() override;
   bool isPointerLocked() override;
   void setToolTipText(const blink::WebString& text,
                       blink::WebTextDirection direction) override;
   void resetInputMethod() override;
 
  private:
   void AnimateNow();
 
   // Borrowed pointers to other parts of Layout Tests state.
   TestRunner* test_runner_;
   WebViewTestProxyBase* web_view_test_proxy_base_;
+  WebWidgetTestProxyBase* web_widget_test_proxy_base_;
 
   bool animation_scheduled_;
 
   base::WeakPtrFactory<WebWidgetTestClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebWidgetTestClient);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_WIDGET_TEST_CLIENT_H_