ui: Cleanup class/struct forward declarations

android_webview/browser/surfaces_instance.cc

Index: android_webview/browser/surfaces_instance.cc
diff --git a/android_webview/browser/surfaces_instance.cc b/android_webview/browser/surfaces_instance.cc
index f84809de8ccc7b9b6af8b7b03ee2adc190e0b260..ef96e989804b30acded4c6eb47684a526ad8f56c 100644
--- a/android_webview/browser/surfaces_instance.cc
+++ b/android_webview/browser/surfaces_instance.cc
@@ -52,6 +52,8 @@ SurfacesInstance::SurfacesInstance()
   surface_manager_.reset(new cc::SurfaceManager);
   surface_id_allocator_.reset(new cc::SurfaceIdAllocator());
   surface_manager_->RegisterFrameSinkId(frame_sink_id_);
+  surface_factory_.reset(
+      new cc::SurfaceFactory(frame_sink_id_, surface_manager_.get(), this));
 
   std::unique_ptr<cc::BeginFrameSource> begin_frame_source(
       new cc::StubBeginFrameSource);
@@ -73,9 +75,6 @@ SurfacesInstance::SurfacesInstance()
   display_->Initialize(this, surface_manager_.get(), frame_sink_id_);
   display_->SetVisible(true);
 
-  surface_factory_.reset(
-      new cc::SurfaceFactory(frame_sink_id_, surface_manager_.get(), this));
-
   DCHECK(!g_surfaces_instance);
   g_surfaces_instance = this;