Adding more webview browser tests to app_shell_browsertests.

extensions/browser/guest_view/web_view/web_view_apitest.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.
 
 #include "base/values.h"
 #include "extensions/browser/guest_view/test_guest_view_manager.h"
 #include "extensions/shell/test/shell_test.h"
 #include "ui/gfx/switches.h"
 
 namespace content {
@@ skipping 12 matching lines @@
   void LaunchApp(const std::string& app_location);
 
   // Runs the test |test_name| in |app_location|. RunTest will launch the app
   // and execute the javascript function runTest(test_name) inside the app.
   void RunTest(const std::string& test_name, const std::string& app_location);
 
   // Starts/Stops the embedded test server.
   void StartTestServer();
   void StopTestServer();
 
+  content::WebContents* GetEmbedderWebContents();
+
   // Returns the GuestViewManager singleton.
   TestGuestViewManager* GetGuestViewManager();
 
+  content::WebContents* GetGuestWebContents();
+  void SendMessageToGuestAndWait(const std::string& message,
+                                 const std::string& wait_message);
+  void SendMessageToEmbedder(const std::string& message);
+
   // content::BrowserTestBase implementation.
   virtual void RunTestOnMainThreadLoop() override;
   virtual void SetUpOnMainThread() override;
   virtual void TearDownOnMainThread() override;
 
- protected:
   content::WebContents* embedder_web_contents_;
   TestGuestViewManagerFactory factory_;
   base::DictionaryValue test_config_;
+
+ private:
+  content::WebContents* GetFirstAppWindowWebContents();
 };
 
 class WebViewDPIAPITest : public WebViewAPITest {
  protected:
   virtual void SetUp() override;
   static float scale() { return 2.0f; }
 };
 
 }  // namespace extensions