Move JavascriptTestObserver from chrome to content.

chrome/test/ppapi/ppapi_test.h

 // Copyright (c) 2012 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 CHROME_TEST_PPAPI_PPAPI_TEST_H_
 #define CHROME_TEST_PPAPI_PPAPI_TEST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/test/base/in_process_browser_test.h"
-#include "chrome/test/base/javascript_test_observer.h"
+#include "content/public/test/javascript_test_observer.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 
 namespace content {
 class RenderViewHost;
 }
 
-class PPAPITestMessageHandler : public TestMessageHandler {
+class PPAPITestMessageHandler : public content::TestMessageHandler {
  public:
   PPAPITestMessageHandler();
 
-  MessageResponse HandleMessage(const std::string& json);
-
+  virtual MessageResponse HandleMessage(const std::string& json) OVERRIDE;
   virtual void Reset() OVERRIDE;
 
   const std::string& message() const {
     return message_;
   }
 
  private:
   std::string message_;
 
   DISALLOW_COPY_AND_ASSIGN(PPAPITestMessageHandler);
@@ skipping 166 matching lines @@
                                  const std::string& test_case) OVERRIDE;
 };
 
 class PPAPIBrokerInfoBarTest : public OutOfProcessPPAPITest {
  public:
   // PPAPITestBase override:
   virtual void SetUpOnMainThread() OVERRIDE;
 };
 
 #endif  // CHROME_TEST_PPAPI_PPAPI_TEST_H_