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

cc/output/gl_renderer.h

Index: cc/output/gl_renderer.h
diff --git a/cc/output/gl_renderer.h b/cc/output/gl_renderer.h
index 324a7bd16e4d7bd82d3afbf6d4659f3d820dcf6f..cba064290afe70d404f64d13097da1974d0deb62 100644
--- a/cc/output/gl_renderer.h
+++ b/cc/output/gl_renderer.h
@@ -198,16 +198,16 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
                     const gfx::QuadF* clip_region);
   void DrawContentQuad(const DrawingFrame* frame,
                        const ContentDrawQuadBase* quad,
-                       ResourceProvider::ResourceId resource_id,
+                       ResourceId resource_id,
                        const gfx::QuadF* clip_region);
   void DrawContentQuadAA(const DrawingFrame* frame,
                          const ContentDrawQuadBase* quad,
-                         ResourceProvider::ResourceId resource_id,
+                         ResourceId resource_id,
                          const gfx::Transform& device_transform,
                          const gfx::QuadF* clip_region);
   void DrawContentQuadNoAA(const DrawingFrame* frame,
                            const ContentDrawQuadBase* quad,
-                           ResourceProvider::ResourceId resource_id,
+                           ResourceId resource_id,
                            const gfx::QuadF* clip_region);
   void DrawYUVVideoQuad(const DrawingFrame* frame,
                         const YUVVideoDrawQuad* quad,
@@ -515,7 +515,7 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
   bool use_blend_equation_advanced_coherent_;
 
   SkBitmap on_demand_tile_raster_bitmap_;
-  ResourceProvider::ResourceId on_demand_tile_raster_resource_id_;
+  ResourceId on_demand_tile_raster_resource_id_;
   BoundGeometry bound_geometry_;
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };