Implement media::VideoDecodeAccelerator on Mac

base/memory/scoped_nsobject.h

Index: base/memory/scoped_nsobject.h
diff --git a/base/memory/scoped_nsobject.h b/base/memory/scoped_nsobject.h
index b6b61f562836cf562f268f18a2ab33e1f7384d06..57486cb8939349e6102f65e410b69c3d144ba582 100644
--- a/base/memory/scoped_nsobject.h
+++ b/base/memory/scoped_nsobject.h
@@ -9,6 +9,7 @@
 #import <Foundation/Foundation.h>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_policy.h"
 
 // scoped_nsobject<> is patterned after scoped_ptr<>, but maintains ownership
 // of an NSObject subclass object.  Style deviations here are solely for
@@ -33,21 +34,14 @@
 // We check for bad uses of scoped_nsobject and NSAutoreleasePool at compile
 // time with a template specialization (see below).
 
-namespace scoped_policy {
-enum OwnershipPolicy {
-  ASSUME,
-  RETAIN
-};
-}  // namespace scoped_policy
-
 template<typename NST>
 class scoped_nsprotocol {
  public:
   explicit scoped_nsprotocol(
       NST object = nil,
-      scoped_policy::OwnershipPolicy policy = scoped_policy::ASSUME)
+      base::scoped_policy::OwnershipPolicy policy = base::scoped_policy::ASSUME)
       : object_(object) {
-    if (policy == scoped_policy::RETAIN)
+    if (policy == base::scoped_policy::RETAIN)
       [object retain];
   }
 
@@ -60,13 +54,14 @@ class scoped_nsprotocol {
   }
 
   scoped_nsprotocol& operator=(const scoped_nsprotocol<NST>& that) {
-    reset(that.get(), scoped_policy::RETAIN);
+    reset(that.get(), base::scoped_policy::RETAIN);
     return *this;
   }
 
   void reset(NST object = nil,
-             scoped_policy::OwnershipPolicy policy = scoped_policy::ASSUME) {
-    if (policy == scoped_policy::RETAIN)
+             base::scoped_policy::OwnershipPolicy policy =
+                base::scoped_policy::ASSUME) {
+    if (policy == base::scoped_policy::RETAIN)
       [object retain];
     // We intentionally do not check that object != object_ as the caller must
     // either already have an ownership claim over whatever it passes to this
@@ -127,7 +122,7 @@ class scoped_nsobject : public scoped_nsprotocol<NST*> {
  public:
   explicit scoped_nsobject(
       NST* object = nil,
-      scoped_policy::OwnershipPolicy policy = scoped_policy::ASSUME)
+      base::scoped_policy::OwnershipPolicy policy = base::scoped_policy::ASSUME)
       : scoped_nsprotocol<NST*>(object, policy) {
   }
 
@@ -147,7 +142,7 @@ class scoped_nsobject<id> : public scoped_nsprotocol<id> {
  public:
   explicit scoped_nsobject(
       id object = nil,
-      scoped_policy::OwnershipPolicy policy = scoped_policy::ASSUME)
+      base::scoped_policy::OwnershipPolicy policy = base::scoped_policy::ASSUME)
       : scoped_nsprotocol<id>(object, policy) {
   }
 
@@ -167,9 +162,9 @@ class scoped_nsobject<id> : public scoped_nsprotocol<id> {
 template<>
 class scoped_nsobject<NSAutoreleasePool> {
  private:
-  explicit scoped_nsobject(
-      NSAutoreleasePool* object = nil,
-      scoped_policy::OwnershipPolicy policy = scoped_policy::ASSUME);
+  explicit scoped_nsobject(NSAutoreleasePool* object = nil,
+                           base::scoped_policy::OwnershipPolicy policy =
+                               base::scoped_policy::ASSUME);
   DISALLOW_COPY_AND_ASSIGN(scoped_nsobject);
 };
 #endif  // BASE_MEMORY_SCOPED_NSOBJECT_H_