Move JavascriptTestObserver from chrome to content.

chrome/test/nacl/nacl_browsertest_util.h

Index: chrome/test/nacl/nacl_browsertest_util.h
diff --git a/chrome/test/nacl/nacl_browsertest_util.h b/chrome/test/nacl/nacl_browsertest_util.h
index bfe8709c9bb0bc4faa7662f766c0bd13d7af6177..d72a6d71865ab178882b3c67c9199c2ca9633efc 100644
--- a/chrome/test/nacl/nacl_browsertest_util.h
+++ b/chrome/test/nacl/nacl_browsertest_util.h
@@ -8,11 +8,11 @@
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.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"
 
 // A helper base class that decodes structured automation messages of the form:
 // {"type": type_name, ...}
-class StructuredMessageHandler : public TestMessageHandler {
+class StructuredMessageHandler : public content::TestMessageHandler {
  public:
   virtual MessageResponse HandleMessage(const std::string& json) OVERRIDE;
 
@@ -85,7 +85,7 @@ class NaClBrowserTestBase : public InProcessBrowserTest {
   // Load a URL and listen to automation events with a given handler.
   // Returns true if the test glue function correctly.  (The handler should
   // seperately indicate if the test failed.)
-  bool RunJavascriptTest(const GURL& url, TestMessageHandler* handler);
+  bool RunJavascriptTest(const GURL& url, content::TestMessageHandler* handler);
 
   // Run a simple test that checks that a nexe loads correctly.  Useful for
   // setting up other tests, such as checking that UMA data was logged.