[Contextual Search] Add Mojo-enabled API component.

chrome/browser/android/contextualsearch/contextual_search_manager.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 CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_MANAGER_H_
 #define CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_MANAGER_H_
 
 #include "base/android/jni_android.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/android/contextualsearch/contextual_search_context.h"
@@ skipping 28 matching lines @@
 
   // Gathers the surrounding text around the selection and saves it locally.
   // Does not send a search term resolution request to the server.
   void GatherSurroundingText(JNIEnv* env,
                              jobject obj,
                              jstring j_selection,
                              jboolean j_use_resolved_search_term,
                              jobject j_base_content_view_core,
                              jboolean j_may_send_base_page_url);
 
+  // Enables the Contextual Search API for the given CVC, by adding this
+  // view to the list of renderers that can inject our API.
+  void AddViewForContextualSearchApi(JNIEnv* env,
+                                     jobject obj,
+                                     jobject j_overlay_content_view_core);
+
+  // Removes the given ID from the list of renderers that can inject our API.
+  // If the API was already enabled it stays enabled, but no new enabling
+  // will be done.
+  void RemoveViewForContextualSearchApi(JNIEnv* env,
+                                        jobject obj,
+                                        int render_process_host_id);
+
  private:
   // TODO(donnd): encapsulate these response parameters?
   void OnSearchTermResolutionResponse(bool is_invalid,
                                       int response_code,
                                       const std::string& search_term,
                                       const std::string& display_text,
                                       const std::string& alternate_term,
                                       bool prevent_preload,
                                       int selection_start_adjust,
                                       int selection_end_adjust);
@@ skipping 12 matching lines @@
 
   // The delegate we're using the do the real work.
   scoped_ptr<ContextualSearchDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextualSearchManager);
 };
 
 bool RegisterContextualSearchManager(JNIEnv* env);
 
 #endif  // CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_MANAGER_H_