Revert of mojo: Create a basic clipboard.

mojo/services/html_viewer/webclipboard_impl.h

-// 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.
-
-#ifndef MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_
-#define MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_
-
-#include "mojo/services/public/interfaces/clipboard/clipboard.mojom.h"
-#include "third_party/WebKit/public/platform/WebClipboard.h"
-
-namespace mojo {
-
-class WebClipboardImpl : public blink::WebClipboard {
- public:
-  WebClipboardImpl(ClipboardPtr clipboard);
-  virtual ~WebClipboardImpl();
-
-  // blink::WebClipboard methods:
-  virtual uint64_t sequenceNumber(Buffer);
-  virtual bool isFormatAvailable(Format, Buffer);
-  virtual blink::WebVector<blink::WebString> readAvailableTypes(
-      Buffer,
-      bool* containsFilenames);
-  virtual blink::WebString readPlainText(Buffer);
-  virtual blink::WebString readHTML(Buffer buffer,
-                                    blink::WebURL* pageURL,
-                                    unsigned* fragmentStart,
-                                    unsigned* fragmentEnd);
-  // TODO(erg): readImage()
-  virtual blink::WebString readCustomData(Buffer, const blink::WebString& type);
-  virtual void writePlainText(const blink::WebString&);
-  virtual void writeHTML(const blink::WebString& htmlText,
-                         const blink::WebURL&,
-                         const blink::WebString& plainText,
-                         bool writeSmartPaste);
-
- private:
-  // Changes webkit buffers to mojo Clipboard::Types.
-  mojo::Clipboard::Type ConvertBufferType(Buffer buffer);
-
-  ClipboardPtr clipboard_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebClipboardImpl);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_HTML_VIEWER_WEBCLIPBOARD_IMPL_H_