TabContents -> WebContentsImpl, part 8.

content/public/browser/devtools_frontend_host_delegate.h

 // Copyright (c) 2011 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 CONTENT_PUBLIC_BROWSER_DEVTOOLS_FRONTEND_HOST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_DEVTOOLS_FRONTEND_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 18 matching lines @@
   // Attaches DevTools front-end to the inspected page.
   virtual void DockWindow() = 0;
 
   // Detaches DevTools front-end from the inspected page and places it in its
   // own window.
   virtual void UndockWindow() = 0;
 
   // Specifies side for devtools to dock to.
   virtual void SetDockSide(const std::string& side) = 0;
 
-  // Opens given |url| in the new tab.
+  // Opens given |url| in a new contents.
   virtual void OpenInNewTab(const std::string& url) = 0;
 
   // Saves given |content| associated with the given |url|. Optionally showing
   // Save As dialog.
   virtual void SaveToFile(const std::string& url,
                           const std::string& content,
                           bool save_as) = 0;
 
-  // This method is called when tab inspected by this devtools frontend is
-  // closing.
-  virtual void InspectedTabClosing() = 0;
+  // This method is called when the contents inspected by this devtools frontend
+  // is closing.
+  virtual void InspectedContentsClosing() = 0;
 
-  // This method is called when tab inspected by this devtools frontend is
-  // navigating to |url|.
+  // This method is called when the contents inspected by this devtools frontend
+  // is navigating to |url|.
   virtual void FrameNavigating(const std::string& url) = 0;
 
-  // Invoked when tab inspected by this devtools frontend is replaced by
-  // another tab. This is triggered by TabStripModel::ReplaceTabContentsAt.
-  virtual void TabReplaced(WebContents* new_tab) = 0;
+  // Invoked when the contents inspected by this devtools frontend is replaced
+  // by another contents. This is triggered by
+  // TabStripModel::ReplaceTabContentsAt.
+  virtual void ContentsReplaced(WebContents* new_contents) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_FRONTEND_HOST_DELEGATE_H_