[Remote suggestions] Use Google server for fetching MostLikely icons

components/ntp_tiles/icon_cacher.h

Index: components/ntp_tiles/icon_cacher.h
diff --git a/components/ntp_tiles/icon_cacher.h b/components/ntp_tiles/icon_cacher.h
index 22beeb6f48c415b3616e15c8c1a94a6b4b9b3c23..6f002c08a868b0376c26cbed7e4ceaa143f10b0b 100644
--- a/components/ntp_tiles/icon_cacher.h
+++ b/components/ntp_tiles/icon_cacher.h
@@ -22,8 +22,14 @@ class IconCacher {
 
   // Fetches the icon if necessary, then invokes |done| with true if it was
   // newly fetched (false if it was already cached or could not be fetched).
-  virtual void StartFetch(PopularSites::Site site,
-                          const base::Callback<void(bool)>& done) = 0;
+  virtual void StartFetchPopularSites(
+      PopularSites::Site site,
+      const base::Callback<void(bool)>& done) = 0;
+
+  // Fetches the icon if necessary, then invokes |done| with true if it was
+  // newly fetched (false if it was already cached or could not be fetched).
+  virtual void StartFetchMostLikely(const GURL& page_url,
+                                    const base::Callback<void(bool)>& done) = 0;
 };
 
 }  // namespace ntp_tiles