move favicon download code from chrome/ into content/

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index b56a17eb6b246ed3da4a9dcc1eb18b42a781c1c4..a9178363946af6d7a4decb20ffedf55b39db5452 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -71,6 +71,7 @@
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/do_not_track_bindings.h"
 #include "content/renderer/external_popup_menu.h"
+#include "content/renderer/favicon_helper.h"
 #include "content/renderer/geolocation_dispatcher.h"
 #include "content/renderer/gpu/compositor_thread.h"
 #include "content/renderer/gpu/compositor_output_surface.h"
@@ -591,6 +592,7 @@ RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
       renderer_accessibility_(NULL),
       java_bridge_dispatcher_(NULL),
       mouse_lock_dispatcher_(NULL),
+      favicon_helper_(NULL),
 #if defined(OS_ANDROID)
       body_background_color_(SK_ColorWHITE),
       update_frame_info_scheduled_(false),
@@ -705,6 +707,7 @@ RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
   devtools_agent_ = new DevToolsAgent(this);
   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
   intents_host_ = new WebIntentsHost(this);
+  favicon_helper_ = new FaviconHelper(this);
 
   // Create renderer_accessibility_ if needed.
   OnSetAccessibilityMode(params->accessibility_mode);