TabContents -> WebContentsImpl, part 11.

content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.cc

 // 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.
 
 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
 
@@ skipping 53 matching lines @@
   instances_[render_view_host] = instance;
 }
 
 void JavaBridgeDispatcherHostManager::RenderViewDeleted(
     RenderViewHost* render_view_host) {
   instances_.erase(render_view_host);
 }
 
 void JavaBridgeDispatcherHostManager::WebContentsDestroyed(
     content::WebContents* web_contents) {
-  // When the tab is shutting down, the WebContents clears its observers before
+  // When a WebContents is shutting down, it clears its observers before
   // it kills all of its RenderViewHosts, so we won't get a call to
   // RenderViewDeleted() for all RenderViewHosts.
   instances_.clear();
 }