Remove all blimp client code.

blimp/client/core/contents/tab_control_feature.h

Index: blimp/client/core/contents/tab_control_feature.h
diff --git a/blimp/client/core/contents/tab_control_feature.h b/blimp/client/core/contents/tab_control_feature.h
deleted file mode 100644
index 43bc66d941f43821172c4b6975a81bfaa011bcb3..0000000000000000000000000000000000000000
--- a/blimp/client/core/contents/tab_control_feature.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef BLIMP_CLIENT_CORE_CONTENTS_TAB_CONTROL_FEATURE_H_
-#define BLIMP_CLIENT_CORE_CONTENTS_TAB_CONTROL_FEATURE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "blimp/net/blimp_message_processor.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace gfx {
-class Size;
-}
-
-namespace blimp {
-namespace client {
-
-class TabControlFeature : public BlimpMessageProcessor {
- public:
-  TabControlFeature();
-  ~TabControlFeature() override;
-
-  // Set the BlimpMessageProcessor that will be used to send
-  // BlimpMessage::TAB_CONTROL messages to the engine.
-  void set_outgoing_message_processor(
-      std::unique_ptr<BlimpMessageProcessor> processor);
-
-  // Pushes the current size and scale information to the engine, which will
-  // affect the web content display area for all tabs.
-  virtual void SetSizeAndScale(const gfx::Size& size, float device_pixel_ratio);
-
-  virtual void CreateTab(int tab_id);
-  virtual void CloseTab(int tab_id);
-
-  // BlimpMessageProcessor implementation.
-  void ProcessMessage(std::unique_ptr<BlimpMessage> message,
-                      const net::CompletionCallback& callback) override;
-
- private:
-  // Used to send BlimpMessage::TAB_CONTROL messages to the engine.
-  std::unique_ptr<BlimpMessageProcessor> outgoing_message_processor_;
-
-  // Used to avoid sending unnecessary messages to engine.
-  gfx::Size last_size_;
-  float last_device_pixel_ratio_ = -1;
-
-  DISALLOW_COPY_AND_ASSIGN(TabControlFeature);
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_CORE_CONTENTS_TAB_CONTROL_FEATURE_H_