Replace "nested message loop" with "nested run loop" in comments.

content/public/browser/web_contents.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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 588 matching lines @@
   // Returns the contents MIME type after a navigation.
   virtual const std::string& GetContentsMimeType() const = 0;
 
   // Returns true if this WebContents will notify about disconnection.
   virtual bool WillNotifyDisconnection() const = 0;
 
   // Returns the settings which get passed to the renderer.
   virtual content::RendererPreferences* GetMutableRendererPrefs() = 0;
 
   // Tells the tab to close now. The tab will take care not to close until it's
-  // out of nested message loops.
+  // out of nested run loops.
   virtual void Close() = 0;
 
   // A render view-originated drag has ended. Informs the render view host and
   // WebContentsDelegate.
   virtual void SystemDragEnded(RenderWidgetHost* source_rwh) = 0;
 
   // Notification the user has made a gesture while focus was on the
   // page. This is used to avoid uninitiated user downloads (aka carpet
   // bombing), see DownloadRequestLimiter for details.
   virtual void UserGestureDone() = 0;
@@ skipping 187 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_