move favicon download code from chrome/ into content/

chrome/browser/favicon/favicon_util.cc

Index: chrome/browser/favicon/favicon_util.cc
diff --git a/chrome/browser/favicon/favicon_util.cc b/chrome/browser/favicon/favicon_util.cc
index 82eb87660ab46d5b73bf3ca6650484d8d3c8ae4c..02c732664f489e90b026d1cfd37b923d1e479c3c 100644
--- a/chrome/browser/favicon/favicon_util.cc
+++ b/chrome/browser/favicon/favicon_util.cc
@@ -6,7 +6,6 @@
 
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/select_favicon_frames.h"
-#include "chrome/common/icon_messages.h"
 #include "content/public/browser/render_view_host.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/codec/png_codec.h"
@@ -37,15 +36,6 @@ std::vector<ui::ScaleFactor> FaviconUtil::GetFaviconScaleFactors() {
 }
 
 // static
-int FaviconUtil::DownloadFavicon(content::RenderViewHost* rvh,
-                                 const GURL& url,
-                                 int image_size) {
-  static int id = 0;
-  rvh->Send(new IconMsg_DownloadFavicon(rvh->GetRoutingID(), ++id, url,
-            image_size));
-  return id;
-}
-// static
 gfx::Image FaviconUtil::SelectFaviconFramesFromPNGs(
       const std::vector<history::FaviconBitmapResult>& png_data,
       const std::vector<ui::ScaleFactor> scale_factors,