Remove parts of //cc we aren't using

cc/test/solid_color_content_layer_client.cc

Index: cc/test/solid_color_content_layer_client.cc
diff --git a/cc/test/solid_color_content_layer_client.cc b/cc/test/solid_color_content_layer_client.cc
deleted file mode 100644
index 7e97bb8ae92d21da0ac0f387df41247bac191885..0000000000000000000000000000000000000000
--- a/cc/test/solid_color_content_layer_client.cc
+++ /dev/null
@@ -1,40 +0,0 @@
-// 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/solid_color_content_layer_client.h"
-
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/rect_f.h"
-
-namespace cc {
-
-void SolidColorContentLayerClient::PaintContents(
-    SkCanvas* canvas,
-    const gfx::Rect& rect,
-    PaintingControlSetting painting_control) {
-  SkPaint paint;
-  paint.setStyle(SkPaint::kFill_Style);
-  paint.setColor(color_);
-
-  canvas->clear(SK_ColorTRANSPARENT);
-  canvas->drawRect(
-      SkRect::MakeXYWH(rect.x(), rect.y(), rect.width(), rect.height()),
-      paint);
-}
-
-scoped_refptr<DisplayItemList>
-SolidColorContentLayerClient::PaintContentsToDisplayList(
-    const gfx::Rect& clip,
-    PaintingControlSetting painting_control) {
-  NOTIMPLEMENTED();
-  return DisplayItemList::Create();
-}
-
-bool SolidColorContentLayerClient::FillsBoundsCompletely() const {
-  return false;
-}
-
-}  // namespace cc