Remove useless FaviconHandler::PageChangedSinceFaviconWasRequested()

components/favicon/core/favicon_handler.h

Index: components/favicon/core/favicon_handler.h
diff --git a/components/favicon/core/favicon_handler.h b/components/favicon/core/favicon_handler.h
index 3fee8be7cb933e757619127df7b7830695c3e6d1..4dbe3fe59fdc1dbc860c920cd3f6d7764245eb96 100644
--- a/components/favicon/core/favicon_handler.h
+++ b/components/favicon/core/favicon_handler.h
@@ -153,7 +153,7 @@ class FaviconHandler {
                                   const gfx::Image& image);
 
   // Returns true if the favicon should be saved.
-  virtual bool ShouldSaveFavicon(const GURL& url);
+  virtual bool ShouldSaveFavicon();
 
  private:
   // For testing:
@@ -164,11 +164,8 @@ class FaviconHandler {
     DownloadRequest();
     ~DownloadRequest();
 
-    DownloadRequest(const GURL& url,
-                    const GURL& image_url,
-                    favicon_base::IconType icon_type);
+    DownloadRequest(const GURL& image_url, favicon_base::IconType icon_type);
 
-    GURL url;
     GURL image_url;
     favicon_base::IconType icon_type;
   };
@@ -178,13 +175,11 @@ class FaviconHandler {
     FaviconCandidate();
     ~FaviconCandidate();
 
-    FaviconCandidate(const GURL& url,
-                     const GURL& image_url,
+    FaviconCandidate(const GURL& image_url,
                      const gfx::Image& image,
                      float score,
                      favicon_base::IconType icon_type);
 
-    GURL url;
     GURL image_url;
     gfx::Image image;
     float score;
@@ -202,8 +197,7 @@ class FaviconHandler {
   // If the favicon has expired, asks the renderer to download the favicon.
   // Otherwise asks history to update the mapping between page url and icon
   // url with a callback to OnFaviconData when done.
-  void DownloadFaviconOrAskFaviconService(const GURL& page_url,
-                                          const GURL& icon_url,
+  void DownloadFaviconOrAskFaviconService(const GURL& icon_url,
                                           favicon_base::IconType icon_type);
 
   // See description above class for details.
@@ -212,20 +206,17 @@ class FaviconHandler {
 
   // Schedules a download for the specified entry. This adds the request to
   // download_requests_.
-  void ScheduleDownload(const GURL& url,
-                        const GURL& image_url,
+  void ScheduleDownload(const GURL& image_url,
                         favicon_base::IconType icon_type);
 
   // Updates |favicon_candidate_| and returns true if it is an exact match.
-  bool UpdateFaviconCandidate(const GURL& url,
-                              const GURL& image_url,
+  bool UpdateFaviconCandidate(const GURL& image_url,
                               const gfx::Image& image,
                               float score,
                               favicon_base::IconType icon_type);
 
   // Sets the image data for the favicon.
-  void SetFavicon(const GURL& url,
-                  const GURL& icon_url,
+  void SetFavicon(const GURL& icon_url,
                   const gfx::Image& image,
                   favicon_base::IconType icon_type);
 
@@ -242,9 +233,6 @@ class FaviconHandler {
     return (!image_urls_.empty()) ? &image_urls_.front() : NULL;
   }
 
-  // Returns whether the page's url changed since the favicon was requested.
-  bool PageChangedSinceFaviconWasRequested();
-
   // Returns the preferred size of the image. 0 means no preference (any size
   // will do).
   int preferred_icon_size() const {