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

cc/layers/picture_layer_impl_unittest.cc

 // Copyright 2013 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 "cc/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <utility>
@@ skipping 1352 matching lines @@
       pending_mask->HighResTiling()->AllTilesForTesting());
 
   ActivateTree();
 
   FakePictureLayerImpl* active_mask =
       static_cast<FakePictureLayerImpl*>(active_layer_->mask_layer());
 
   // Mask layers have a tiling with a single tile in it.
   EXPECT_EQ(1u, active_mask->HighResTiling()->AllTilesForTesting().size());
   // The mask resource exists.
-  ResourceProvider::ResourceId mask_resource_id;
+  ResourceId mask_resource_id;
   gfx::Size mask_texture_size;
   active_mask->GetContentsResourceId(&mask_resource_id, &mask_texture_size);
   EXPECT_NE(0u, mask_resource_id);
   EXPECT_EQ(active_mask->bounds(), mask_texture_size);
 
   // Drop resources and recreate them, still the same.
   pending_mask->ReleaseResources();
   active_mask->ReleaseResources();
   pending_mask->RecreateResources();
   active_mask->RecreateResources();
@@ skipping 121 matching lines @@
       pending_mask->HighResTiling()->AllTilesForTesting());
 
   ActivateTree();
 
   FakePictureLayerImpl* active_mask =
       static_cast<FakePictureLayerImpl*>(active_layer_->mask_layer());
 
   // Mask layers have a tiling with a single tile in it.
   EXPECT_EQ(1u, active_mask->HighResTiling()->AllTilesForTesting().size());
   // The mask resource exists.
-  ResourceProvider::ResourceId mask_resource_id;
+  ResourceId mask_resource_id;
   gfx::Size mask_texture_size;
   active_mask->GetContentsResourceId(&mask_resource_id, &mask_texture_size);
   EXPECT_NE(0u, mask_resource_id);
   gfx::Size expected_mask_texture_size =
       gfx::ToCeiledSize(gfx::ScaleSize(active_mask->bounds(), 1.3f));
   EXPECT_EQ(mask_texture_size, expected_mask_texture_size);
 }
 
 TEST_F(PictureLayerImplTest, ReleaseResources) {
   gfx::Size tile_size(400, 400);
@@ skipping 3556 matching lines @@
   result = layer->CalculateTileSize(gfx::Size(447, 400));
   EXPECT_EQ(result.width(), 448);
   EXPECT_EQ(result.height(), 448);
   result = layer->CalculateTileSize(gfx::Size(500, 499));
   EXPECT_EQ(result.width(), 512);
   EXPECT_EQ(result.height(), 500 + 2);
 }
 
 }  // namespace
 }  // namespace cc