[Contextual Search] Use Mojo API for Quick Answers.

components/contextual_search/browser/contextual_search_js_api_handler.h

 // Copyright 2015 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_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_UI_HANDLE_H_
-#define COMPONENTS_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_UI_HANDLE_H_
+#ifndef COMPONENTS_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_JS_API_HANDLER_H_
+#define COMPONENTS_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_JS_API_HANDLER_H_
 
 #include <string>
 
 #include "base/macros.h"
 
 namespace contextual_search {
 
-// Interface that the Contextual Search Renderer API uses to call back to
-// the browser.
-class ContextualSearchUIHandle {
+// Interface that the Contextual Search Renderer uses to call back to
+// the browser to handle its JavaScript API.
+class ContextualSearchJsApiHandler {
  public:
-  ContextualSearchUIHandle() {}
-  virtual ~ContextualSearchUIHandle() {}
+  ContextualSearchJsApiHandler() {}
+  virtual ~ContextualSearchJsApiHandler() {}
 
   // Set the caption in the Contextual Search Bar, and indicate whether
   // the caption provides an answer (such as an actual definition), rather than
   // just general notification of what kind of answer may be available.
   virtual void SetCaption(std::string caption, bool does_answer) = 0;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(ContextualSearchUIHandle);
+  DISALLOW_COPY_AND_ASSIGN(ContextualSearchJsApiHandler);
 };
 
 }  // namespace contextual_search
 
-#endif  // COMPONENTS_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_UI_HANDLE_H_
+#endif  // COMPONENTS_CONTEXTUAL_SEARCH_BROWSER_CONTEXTUAL_SEARCH_JS_API_HANDLER_H_