cc: Use std::is_same in resource_util.h.

cc/resources/resource_util.h

Index: cc/resources/resource_util.h
diff --git a/cc/resources/resource_util.h b/cc/resources/resource_util.h
index 68a4aa59fa9fe57e112d166b51251b32238404e5..51cda02d499d374eb89b1bd918ae194f00271aa2 100644
--- a/cc/resources/resource_util.h
+++ b/cc/resources/resource_util.h
@@ -55,18 +55,6 @@ class CC_EXPORT ResourceUtil {
                                        ResourceFormat format);
 
  private:
-  // TODO(prashant.n): Replace IsSameType with std::is_same once C++11 is used
-  // on all platforms.
-  template <typename T, typename U>
-  struct IsSameType {
-    static const bool value = false;
-  };
-
-  template <typename T>
-  struct IsSameType<T, T> {
-    static const bool value = true;
-  };
-
   template <typename T>
   static inline void VerifyType();
 
@@ -161,7 +149,7 @@ T ResourceUtil::UncheckedSizeInBytesAligned(const gfx::Size& size,
 template <typename T>
 void ResourceUtil::VerifyType() {
   static_assert(
-      std::numeric_limits<T>::is_integer && !IsSameType<T, bool>::value,
+      std::numeric_limits<T>::is_integer && !std::is_same<T, bool>::value,
       "T must be non-bool integer type. Preferred type is size_t.");
 }