cc: Unify namespaces for all test files

cc/test/render_pass_test_common.cc

 // Copyright 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.
 
 #include "cc/test/render_pass_test_common.h"
 
 #include "cc/checkerboard_draw_quad.h"
 #include "cc/debug_border_draw_quad.h"
 #include "cc/io_surface_draw_quad.h"
 #include "cc/render_pass_draw_quad.h"
 #include "cc/solid_color_draw_quad.h"
 #include "cc/shared_quad_state.h"
 #include "cc/stream_video_draw_quad.h"
 #include "cc/texture_draw_quad.h"
 #include "cc/tile_draw_quad.h"
 #include "cc/yuv_video_draw_quad.h"
 #include "cc/resource_provider.h"
 #include "ui/gfx/transform.h"
 
-namespace WebKitTests {
-
-using cc::DrawQuad;
+namespace cc {
 
 void TestRenderPass::AppendOneOfEveryQuadType(cc::ResourceProvider* resourceProvider) {
   gfx::Rect rect(0, 0, 100, 100);
   gfx::Rect opaque_rect(10, 10, 80, 80);
   const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
   cc::ResourceProvider::ResourceId texture_resource =
       resourceProvider->createResourceFromExternalTexture(1);
   scoped_ptr<cc::SharedQuadState> shared_state = cc::SharedQuadState::Create();
   shared_state->SetAll(gfx::Transform(),
                        rect,
@@ skipping 130 matching lines @@
                    gfx::Size(100, 100),
                    planes[0],
                    planes[1],
                    planes[2]);
   AppendQuad(yuv_quad.PassAs<DrawQuad>());
 
   AppendSharedQuadState(transformed_state.Pass());
   AppendSharedQuadState(shared_state.Pass());
 }
 
-}  // namespace WebKitTests
+}  // namespace cc