Add a FakeImeFeatureDelegate to the Linux client.

blimp/client/feature/navigation_feature.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 BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_
 #define BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 35 matching lines @@
   // Sets a NavigationMessageDelegate to be notified of all navigation messages
   // for |tab_id| from the engine.
   void SetDelegate(int tab_id, NavigationFeatureDelegate* delegate);
   void RemoveDelegate(int tab_id);
 
   void NavigateToUrlText(int tab_id, const std::string& url_text);
   void Reload(int tab_id);
   void GoForward(int tab_id);
   void GoBack(int tab_id);
 
- private:
   // BlimpMessageProcessor implementation.
   void ProcessMessage(std::unique_ptr<BlimpMessage> message,
                       const net::CompletionCallback& callback) override;
 
+ private:
   NavigationFeatureDelegate* FindDelegate(const int tab_id);
 
   typedef base::SmallMap<std::map<int, NavigationFeatureDelegate*>> DelegateMap;
 
   DelegateMap delegates_;
 
   // Used to send BlimpMessage::NAVIGATION messages to the engine.
   std::unique_ptr<BlimpMessageProcessor> outgoing_message_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationFeature);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_