Remove all blimp client code.

blimp/client/core/render_widget/mock_render_widget_feature.cc

Index: blimp/client/core/render_widget/mock_render_widget_feature.cc
diff --git a/blimp/client/core/render_widget/mock_render_widget_feature.cc b/blimp/client/core/render_widget/mock_render_widget_feature.cc
deleted file mode 100644
index c19013f8cbb93c1fd13ed26c5be30ccf6a9a212a..0000000000000000000000000000000000000000
--- a/blimp/client/core/render_widget/mock_render_widget_feature.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2016 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 "blimp/client/core/render_widget/mock_render_widget_feature.h"
-
-#include "third_party/WebKit/public/platform/WebGestureEvent.h"
-
-namespace blimp {
-namespace client {
-
-MockRenderWidgetFeature::MockRenderWidgetFeature() = default;
-
-MockRenderWidgetFeature::~MockRenderWidgetFeature() = default;
-
-}  // namespace client
-}  // namespace blimp