Register clipboard image blob in the browser process to copy data less.

content/test/mock_webclipboard_impl.h

 // 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.
 //
 // This file mocks out just enough of the WebClipboard API for running the
 // webkit tests. This is so we can run webkit tests without them sharing a
 // clipboard, which allows for running them in parallel and having the tests
 // not interact with actual user actions.
 
 #ifndef CONTENT_TEST_MOCK_WEBCLIPBOARD_IMPL_H_
 #define CONTENT_TEST_MOCK_WEBCLIPBOARD_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
 
 #include "base/strings/nullable_string16.h"
 #include "base/strings/string16.h"
-#include "third_party/WebKit/public/platform/WebClipboard.h"
 #include "third_party/WebKit/public/platform/WebDragData.h"
 #include "third_party/WebKit/public/platform/WebImage.h"
+#include "third_party/WebKit/public/platform/WebMockClipboard.h"
 
 namespace content {
 
-class MockWebClipboardImpl : public blink::WebClipboard {
+class MockWebClipboardImpl : public blink::WebMockClipboard {
  public:
   MockWebClipboardImpl();
   virtual ~MockWebClipboardImpl();
 
   uint64_t sequenceNumber(Buffer) override;
   bool isFormatAvailable(blink::WebClipboard::Format format,
                          blink::WebClipboard::Buffer buffer) override;
   blink::WebVector<blink::WebString> readAvailableTypes(
       blink::WebClipboard::Buffer buffer,
       bool* containsFilenames) override;
 
   blink::WebString readPlainText(blink::WebClipboard::Buffer buffer) override;
   blink::WebString readHTML(blink::WebClipboard::Buffer buffer,
                             blink::WebURL* url,
                             unsigned* fragmentStart,
                             unsigned* fragmentEnd) override;
-  blink::WebData readImage(blink::WebClipboard::Buffer buffer) override;
+  blink::WebBlobInfo readImage(blink::WebClipboard::Buffer buffer) override;
+  blink::WebImage readRawImage(blink::WebClipboard::Buffer buffer) override;
   blink::WebString readCustomData(blink::WebClipboard::Buffer buffer,
                                   const blink::WebString& type) override;
 
   void writePlainText(const blink::WebString& plain_text) override;
   void writeHTML(const blink::WebString& htmlText,
                  const blink::WebURL& url,
                  const blink::WebString& plainText,
                  bool writeSmartPaste) override;
   virtual void writeURL(
       const blink::WebURL& url, const blink::WebString& title);
   void writeImage(const blink::WebImage& image,
                   const blink::WebURL& url,
                   const blink::WebString& title) override;
   void writeDataObject(const blink::WebDragData& data) override;
 
  private:
   void clear();
 
   uint64_t m_sequenceNumber;
   base::NullableString16 m_plainText;
   base::NullableString16 m_htmlText;
   blink::WebImage m_image;
   std::map<base::string16, base::string16> m_customData;
   bool m_writeSmartPaste;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_MOCK_WEBCLIPBOARD_IMPL_H_