Answers in Suggest icon downloading

chrome/browser/bitmap_fetcher/bitmap_fetcher_service.h

 // Copyright 2014 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_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_H_
 #define CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_H_
 
 #include "base/compiler_specific.h"
 #include "base/containers/mru_cache.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
  public:
   typedef int RequestId;
   static const RequestId REQUEST_ID_INVALID = 0;
 
   class Observer {
    public:
     virtual ~Observer() {}
 
     // Called whenever the image changes. Called with an empty image if the
     // fetch failed or the request ended for any reason.
+    // TODO(dschuyler) The comment differs from what the code does, follow-up.
     virtual void OnImageChanged(RequestId request_id,
                                 const SkBitmap& answers_image) = 0;
   };
 
   explicit BitmapFetcherService(content::BrowserContext* context);
   ~BitmapFetcherService() override;
 
   // Cancels a request, if it is still in-flight.
   void CancelRequest(RequestId requestId);
 
@@ skipping 51 matching lines @@
   // Current request ID to be used.
   int current_request_id_;
 
   // Browser context this service is active for.
   content::BrowserContext* context_;
 
   DISALLOW_COPY_AND_ASSIGN(BitmapFetcherService);
 };
 
 #endif  // CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_H_