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

cc/test/render_pass_test_common.cc

Index: cc/test/render_pass_test_common.cc
diff --git a/cc/test/render_pass_test_common.cc b/cc/test/render_pass_test_common.cc
index 6895297cacafd278e40893b0e5c9d9ca95f2d6f1..3789efc7d7973ac685ed8d56b3cf72e4d66f83ab 100644
--- a/cc/test/render_pass_test_common.cc
+++ b/cc/test/render_pass_test_common.cc
@@ -34,38 +34,38 @@ void TestRenderPass::AppendOneOfEveryQuadType(
   gfx::Rect visible_rect(0, 0, 100, 100);
   const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
 
-  ResourceProvider::ResourceId resource1 = resource_provider->CreateResource(
+  ResourceId resource1 = resource_provider->CreateResource(
       gfx::Size(45, 5), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource1);
-  ResourceProvider::ResourceId resource2 = resource_provider->CreateResource(
+  ResourceId resource2 = resource_provider->CreateResource(
       gfx::Size(346, 61), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource2);
-  ResourceProvider::ResourceId resource3 = resource_provider->CreateResource(
+  ResourceId resource3 = resource_provider->CreateResource(
       gfx::Size(12, 134), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource3);
-  ResourceProvider::ResourceId resource4 = resource_provider->CreateResource(
+  ResourceId resource4 = resource_provider->CreateResource(
       gfx::Size(56, 12), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource4);
   gfx::Size resource5_size(73, 26);
-  ResourceProvider::ResourceId resource5 = resource_provider->CreateResource(
+  ResourceId resource5 = resource_provider->CreateResource(
       resource5_size, GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource5);
-  ResourceProvider::ResourceId resource6 = resource_provider->CreateResource(
+  ResourceId resource6 = resource_provider->CreateResource(
       gfx::Size(64, 92), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource6);
-  ResourceProvider::ResourceId resource7 = resource_provider->CreateResource(
+  ResourceId resource7 = resource_provider->CreateResource(
       gfx::Size(9, 14), GL_CLAMP_TO_EDGE,
       ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
@@ -77,9 +77,8 @@ void TestRenderPass::AppendOneOfEveryQuadType(
   scoped_ptr<SingleReleaseCallbackImpl> callback =
       SingleReleaseCallbackImpl::Create(base::Bind(&EmptyReleaseCallback));
   TextureMailbox mailbox(gpu_mailbox, target, kSyncPointForMailboxTextureQuad);
-  ResourceProvider::ResourceId resource8 =
-      resource_provider->CreateResourceFromTextureMailbox(mailbox,
-                                                          callback.Pass());
+  ResourceId resource8 = resource_provider->CreateResourceFromTextureMailbox(
+      mailbox, callback.Pass());
   resource_provider->AllocateForTesting(resource8);
 
   SharedQuadState* shared_state = this->CreateAndAppendSharedQuadState();
@@ -233,7 +232,7 @@ void TestRenderPass::AppendOneOfEveryQuadType(
                     false,
                     false);
 
-  ResourceProvider::ResourceId plane_resources[4];
+  ResourceId plane_resources[4];
   for (int i = 0; i < 4; ++i) {
     plane_resources[i] = resource_provider->CreateResource(
         gfx::Size(20, 12), GL_CLAMP_TO_EDGE,