Revert of Add the missing text input state tracking code to RenderWidgetHostViewMac.

content/browser/browser_plugin/browser_plugin_guest.h

 // Copyright (c) 2012 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.
 
 // A BrowserPluginGuest is the browser side of a browser <--> embedder
 // renderer channel. A BrowserPlugin (a WebPlugin) is on the embedder
 // renderer side of browser <--> embedder renderer communication.
 //
 // BrowserPluginGuest lives on the UI thread of the browser process. Any
 // messages about the guest render process that the embedder might be interested
@@ skipping 407 matching lines @@
   gfx::Size last_seen_view_size_;
 
   bool is_in_destruction_;
 
   // BrowserPluginGuest::Init can only be called once. This flag allows it to
   // exit early if it's already been called.
   bool initialized_;
 
   // Text input type states.
   // Using scoped_ptr to avoid including the header file: view_messages.h.
-  // TODO(ekaramad): The text input state tracking is now done by the
-  // WebContentsImpl. We should remove this variable (crbug.com/602427).
   std::unique_ptr<const TextInputState> last_text_input_state_;
 
   // The is the routing ID for a swapped out RenderView for the guest
   // WebContents in the embedder's process.
   int guest_proxy_routing_id_;
   // Last seen state of drag status update.
   blink::WebDragStatus last_drag_status_;
   // Whether or not our embedder has seen a SystemDragEnded() call.
   bool seen_embedder_system_drag_ended_;
   // Whether or not our embedder has seen a DragSourceEndedAt() call.
@@ skipping 11 matching lines @@
   // Weak pointer used to ask GeolocationPermissionContext about geolocation
   // permission.
   base::WeakPtrFactory<BrowserPluginGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_