cc: Make ScopedResource constructor public, use MakeUnique to construct

cc/resources/scoped_resource.h

Index: cc/resources/scoped_resource.h
diff --git a/cc/resources/scoped_resource.h b/cc/resources/scoped_resource.h
index 13f1e98f534ce3c06aae2d3981dcd6ec9b8290a6..989a02110536f31df1428dba5529d0b390971840 100644
--- a/cc/resources/scoped_resource.h
+++ b/cc/resources/scoped_resource.h
@@ -21,10 +21,7 @@ namespace cc {
 
 class CC_EXPORT ScopedResource : public Resource {
  public:
-  static std::unique_ptr<ScopedResource> Create(
-      ResourceProvider* resource_provider) {
-    return base::WrapUnique(new ScopedResource(resource_provider));
-  }
+  explicit ScopedResource(ResourceProvider* provider);
   virtual ~ScopedResource();
 
   void Allocate(const gfx::Size& size,
@@ -37,9 +34,6 @@ class CC_EXPORT ScopedResource : public Resource {
                                    const gfx::ColorSpace& color_space);
   void Free();
 
- protected:
-  explicit ScopedResource(ResourceProvider* provider);
-
  private:
   ResourceProvider* resource_provider_;