Convert ContentFaviconDriver to use the new navigation callbacks.

content/browser/frame_host/navigation_handle_impl.h

Index: content/browser/frame_host/navigation_handle_impl.h
diff --git a/content/browser/frame_host/navigation_handle_impl.h b/content/browser/frame_host/navigation_handle_impl.h
index 19b6871a0dd725a5d5ee74355f97b54f3b8e7f81..bd236a750c7ce9874d41af1b2d018adf46cf9f99 100644
--- a/content/browser/frame_host/navigation_handle_impl.h
+++ b/content/browser/frame_host/navigation_handle_impl.h
@@ -135,6 +135,7 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
   bool WasStartedFromContextMenu() const override;
   const GURL& GetSearchableFormURL() override;
   const std::string& GetSearchableFormEncoding() override;
+  ReloadType GetReloadType() override;
   const GlobalRequestID& GetGlobalRequestID() override;
 
   NavigationData* GetNavigationData() override;
@@ -450,6 +451,9 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
   // False by default unless the navigation started within a context menu.
   bool started_from_context_menu_;
 
+  // Stores the reload type, or NONE if it's not a reload.
+  ReloadType reload_type_;
+
   GURL searchable_form_url_;
   std::string searchable_form_encoding_;