Extract WebWidgetTestClient out of WebTestProxyBase and WebViewTestClient.

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 WebTestProxyBase;
+
+// WebWidgetTestClient implements WebWidgetClient interface, providing behavior
+// expected by tests.  WebWidgetTestClient ends up used by WebTestProxy 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,
+                      WebTestProxyBase* web_test_proxy_base);
+
+  virtual ~WebWidgetTestClient();
+
+  // WebWidgetClient overrides needed by WebTestProxy.
+  blink::WebScreenInfo screenInfo() override;
+  void scheduleAnimation() override;
+  bool requestPointerLock() override;
+  void requestPointerUnlock() override;
+  bool isPointerLocked() override;
+  void didFocus() 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_;
+  WebTestProxyBase* web_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_