Don't spin the loading indicator for in-page navigations.

content/browser/web_contents/web_contents_impl.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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 184 matching lines @@
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) OVERRIDE;
 #endif
   virtual const base::string16& GetTitle() const OVERRIDE;
   virtual int32 GetMaxPageID() OVERRIDE;
   virtual int32 GetMaxPageIDForSiteInstance(
       SiteInstance* site_instance) OVERRIDE;
   virtual SiteInstance* GetSiteInstance() const OVERRIDE;
   virtual SiteInstance* GetPendingSiteInstance() const OVERRIDE;
   virtual bool IsLoading() const OVERRIDE;
+  virtual bool IsLoadingToDifferentDocument() const OVERRIDE;
   virtual bool IsWaitingForResponse() const OVERRIDE;
   virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE;
   virtual const base::string16& GetLoadStateHost() const OVERRIDE;
   virtual uint64 GetUploadSize() const OVERRIDE;
   virtual uint64 GetUploadPosition() const OVERRIDE;
   virtual std::set<GURL> GetSitesInTab() const OVERRIDE;
   virtual const std::string& GetEncoding() const OVERRIDE;
   virtual bool DisplayedInsecureContent() const OVERRIDE;
   virtual void IncrementCapturerCount(const gfx::Size& capture_size) OVERRIDE;
   virtual void DecrementCapturerCount() OVERRIDE;
@@ skipping 718 matching lines @@
   FrameTree frame_tree_;
 
   // SavePackage, lazily created.
   scoped_refptr<SavePackage> save_package_;
 
   // Data for loading state ----------------------------------------------------
 
   // Indicates whether we're currently loading a resource.
   bool is_loading_;
 
+  // Indicates whether the current load is to a different document. Only valid
+  // if is_loading_ is true.
+  bool is_load_to_different_document_;
+
   // Indicates if the tab is considered crashed.
   base::TerminationStatus crashed_status_;
   int crashed_error_code_;
 
   // Whether this WebContents is waiting for a first-response for the
   // main resource of the page. This controls whether the throbber state is
   // "waiting" or "loading."
   bool waiting_for_response_;
 
   // Map of SiteInstance ID to max page ID for this tab. A page ID is specific
@@ skipping 173 matching lines @@
   bool last_dialog_suppressed_;
 
   scoped_ptr<GeolocationDispatcherHost> geolocation_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_