Mac: Fix small leak in iosurface resizing code.

app/surface/accelerated_surface_mac.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "app/surface/accelerated_surface_mac.h"
 
 #include "app/gfx/gl/gl_bindings.h"
 #include "app/gfx/gl/gl_implementation.h"
 #include "app/surface/io_surface_support_mac.h"
 #include "base/logging.h"
+#include "base/scoped_cftyperef.h"
 #include "gfx/rect.h"
 
 AcceleratedSurface::AcceleratedSurface()
     : allocate_fbo_(false),
       texture_(0),
       fbo_(0),
       depth_stencil_renderbuffer_(0) {
 }
 
 bool AcceleratedSurface::Initialize(gfx::GLContext* share_context,
@@ skipping 81 matching lines @@
 static void AddBooleanValue(CFMutableDictionaryRef dictionary,
                             const CFStringRef key,
                             bool value) {
   CFDictionaryAddValue(dictionary, key,
                        (value ? kCFBooleanTrue : kCFBooleanFalse));
 }
 
 static void AddIntegerValue(CFMutableDictionaryRef dictionary,
                             const CFStringRef key,
                             int32 value) {
-  CFNumberRef number = CFNumberCreate(NULL, kCFNumberSInt32Type, &value);
-  CFDictionaryAddValue(dictionary, key, number);
+  scoped_cftyperef<CFNumberRef> number(
+      CFNumberCreate(NULL, kCFNumberSInt32Type, &value));
+  CFDictionaryAddValue(dictionary, key, number.get());
 }
 
 void AcceleratedSurface::AllocateRenderBuffers(GLenum target,
                                                const gfx::Size& size) {
   if (!texture_) {
     // Generate the texture object.
     glGenTextures(1, &texture_);
     glBindTexture(target, texture_);
     glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
     glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ skipping 195 matching lines @@
   }
   return transport_dib_->handle();
 }
 
 void AcceleratedSurface::SetTransportDIBAllocAndFree(
     Callback2<size_t, TransportDIB::Handle*>::Type* allocator,
     Callback1<TransportDIB::Id>::Type* deallocator) {
   dib_alloc_callback_.reset(allocator);
   dib_free_callback_.reset(deallocator);
 }