Revert of cc: Use worker context for one-copy tile initialization.

cc/test/layer_tree_pixel_test.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/test/layer_tree_pixel_test.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "cc/base/switches.h"
 #include "cc/layers/solid_color_layer.h"
@@ skipping 363 matching lines @@
   uint32 sync_point = gl->InsertSyncPointCHROMIUM();
 
   *texture_mailbox = TextureMailbox(mailbox, GL_TEXTURE_2D, sync_point);
   *release_callback = SingleReleaseCallback::Create(
       base::Bind(&LayerTreePixelTest::ReleaseTextureMailbox,
                  base::Unretained(this),
                  base::Passed(&context),
                  texture_id));
 }
 
-void LayerTreePixelTest::Finish() {
-  scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
-  GLES2Interface* gl = context->GetImplementation();
-  gl->Finish();
-}
-
 }  // namespace cc