Rename cc::ResourceProvider::ResourceId to cc::ResourceId and move it to its own file.

cc/cc.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 56 matching lines @@
         'animation/transform_operations.h',
         'base/completion_event.h',
         'base/delayed_unique_notifier.cc',
         'base/delayed_unique_notifier.h',
         'base/invalidation_region.cc',
         'base/invalidation_region.h',
         'base/math_util.cc',
         'base/math_util.h',
         'base/region.cc',
         'base/region.h',
+        'base/resource_id.h',
         'base/rolling_time_delta_history.cc',
         'base/rolling_time_delta_history.h',
         'base/scoped_ptr_algorithm.h',
         'base/scoped_ptr_deque.h',
         'base/scoped_ptr_vector.h',
         'base/simple_enclosed_region.cc',
         'base/simple_enclosed_region.h',
         'base/switches.cc',
         'base/switches.h',
         'base/synced_property.h',
@@ skipping 577 matching lines @@
             'raster/texture_compressor_etc1_sse.h',
           ],
           'cflags': [
             '-msse2',
           ],
         }],
       ],
     },    
   ],
 }