Remove parts of //cc we aren't using

cc/resources/scoped_gpu_raster.cc

Index: cc/resources/scoped_gpu_raster.cc
diff --git a/cc/resources/scoped_gpu_raster.cc b/cc/resources/scoped_gpu_raster.cc
deleted file mode 100644
index 2f5c5c9c3426a42eca7532cb8919611884a983d1..0000000000000000000000000000000000000000
--- a/cc/resources/scoped_gpu_raster.cc
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright 2014 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/resources/scoped_gpu_raster.h"
-#include "gpu/command_buffer/client/gles2_interface.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "third_party/khronos/GLES2/gl2ext.h"
-#include "third_party/skia/include/gpu/GrContext.h"
-
-using gpu::gles2::GLES2Interface;
-
-namespace cc {
-
-ScopedGpuRaster::ScopedGpuRaster(ContextProvider* context_provider)
-    : context_provider_(context_provider) {
-  BeginGpuRaster();
-}
-
-ScopedGpuRaster::~ScopedGpuRaster() {
-  EndGpuRaster();
-}
-
-void ScopedGpuRaster::BeginGpuRaster() {
-  GLES2Interface* gl = context_provider_->ContextGL();
-
-  // TODO(alokp): Use a trace macro to push/pop markers.
-  // Using push/pop functions directly incurs cost to evaluate function
-  // arguments even when tracing is disabled.
-  gl->PushGroupMarkerEXT(0, "GpuRasterization");
-
-  class GrContext* gr_context = context_provider_->GrContext();
-  gr_context->resetContext();
-}
-
-void ScopedGpuRaster::EndGpuRaster() {
-  class GrContext* gr_context = context_provider_->GrContext();
-  gr_context->flush();
-
-  GLES2Interface* gl = context_provider_->ContextGL();
-
-  // Restore default GL unpack alignment.  TextureUploader expects this.
-  gl->PixelStorei(GL_UNPACK_ALIGNMENT, 4);
-
-  // TODO(alokp): Use a trace macro to push/pop markers.
-  // Using push/pop functions directly incurs cost to evaluate function
-  // arguments even when tracing is disabled.
-  gl->PopGroupMarkerEXT();
-}
-
-}  // namespace cc