Convert //cc from scoped_ptr to std::unique_ptr.

cc/surfaces/surface_factory.cc

Index: cc/surfaces/surface_factory.cc
diff --git a/cc/surfaces/surface_factory.cc b/cc/surfaces/surface_factory.cc
index d7f4810d688db85c9474571ce69035f15c796dc5..0cbe9d5cebcdcfe97982e4fcee2917e38dda2551 100644
--- a/cc/surfaces/surface_factory.cc
+++ b/cc/surfaces/surface_factory.cc
@@ -38,7 +38,7 @@ void SurfaceFactory::DestroyAll() {
 }
 
 void SurfaceFactory::Create(SurfaceId surface_id) {
-  scoped_ptr<Surface> surface(new Surface(surface_id, this));
+  std::unique_ptr<Surface> surface(new Surface(surface_id, this));
   manager_->RegisterSurface(surface.get());
   DCHECK(!surface_map_.count(surface_id));
   surface_map_[surface_id] = std::move(surface);
@@ -48,14 +48,15 @@ void SurfaceFactory::Destroy(SurfaceId surface_id) {
   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
   DCHECK(it != surface_map_.end());
   DCHECK(it->second->factory().get() == this);
-  scoped_ptr<Surface> surface(std::move(it->second));
+  std::unique_ptr<Surface> surface(std::move(it->second));
   surface_map_.erase(it);
   manager_->Destroy(std::move(surface));
 }
 
-void SurfaceFactory::SubmitCompositorFrame(SurfaceId surface_id,
-                                           scoped_ptr<CompositorFrame> frame,
-                                           const DrawCallback& callback) {
+void SurfaceFactory::SubmitCompositorFrame(
+    SurfaceId surface_id,
+    std::unique_ptr<CompositorFrame> frame,
+    const DrawCallback& callback) {
   TRACE_EVENT0("cc", "SurfaceFactory::SubmitCompositorFrame");
   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
   DCHECK(it != surface_map_.end());
@@ -69,7 +70,7 @@ void SurfaceFactory::SubmitCompositorFrame(SurfaceId surface_id,
 
 void SurfaceFactory::RequestCopyOfSurface(
     SurfaceId surface_id,
-    scoped_ptr<CopyOutputRequest> copy_request) {
+    std::unique_ptr<CopyOutputRequest> copy_request) {
   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
   if (it == surface_map_.end()) {
     copy_request->SendEmptyResult();