Move html_viewer from mojo/services to components.

mojo/services/html_viewer/web_clipboard_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_WEB_CLIPBOARD_IMPL_H_
-#define MOJO_SERVICES_HTML_VIEWER_WEB_CLIPBOARD_IMPL_H_
-
-#include "third_party/WebKit/public/platform/WebClipboard.h"
-#include "third_party/mojo_services/src/clipboard/public/interfaces/clipboard.mojom.h"
-
-namespace html_viewer {
-
-class WebClipboardImpl : public blink::WebClipboard {
- public:
-  WebClipboardImpl(mojo::ClipboardPtr clipboard);
-  virtual ~WebClipboardImpl();
-
-  // blink::WebClipboard methods:
-  virtual uint64_t sequenceNumber(Buffer);
-  virtual bool isFormatAvailable(Format, Buffer);
-  virtual blink::WebVector<blink::WebString> readAvailableTypes(
-      Buffer buffer,
-      bool* contains_filenames);
-  virtual blink::WebString readPlainText(Buffer buffer);
-  virtual blink::WebString readHTML(Buffer buffer,
-                                    blink::WebURL* page_url,
-                                    unsigned* fragment_start,
-                                    unsigned* fragment_end);
-  // TODO(erg): readImage()
-  virtual blink::WebString readCustomData(Buffer buffer,
-                                          const blink::WebString& type);
-  virtual void writePlainText(const blink::WebString& plain_text);
-  virtual void writeHTML(const blink::WebString& html_text,
-                         const blink::WebURL& source_url,
-                         const blink::WebString& plain_text,
-                         bool write_smart_paste);
-
- private:
-  // Changes webkit buffers to mojo Clipboard::Types.
-  mojo::Clipboard::Type ConvertBufferType(Buffer buffer);
-
-  mojo::ClipboardPtr clipboard_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebClipboardImpl);
-};
-
-}  // namespace html_viewer
-
-#endif  // MOJO_SERVICES_HTML_VIEWER_WEB_CLIPBOARD_IMPL_H_