Implement new Chromium IPCs for copying/dragging

chrome/browser/clipboard_dispatcher_mac.mm

Index: chrome/browser/clipboard_dispatcher_mac.mm
diff --git a/chrome/browser/clipboard_dispatcher_mac.mm b/chrome/browser/clipboard_dispatcher_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..7fe0c3b580b9d790bff5422e5a8e9882429a6f7e
--- /dev/null
+++ b/chrome/browser/clipboard_dispatcher_mac.mm
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+// Copyright (c) 2010 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 "chrome/browser/clipboard_dispatcher.h"
+#include "base/logging.h"
+
+bool ClipboardDispatcher::ReadAvailableTypes(Clipboard::Buffer buffer,
+                                             std::vector<string16>* types,
+                                             bool* contains_filenames) {
+  DCHECK(types);
+  DCHECK(contains_filenames);
+  types->clear();
+  *contains_filenames = false;
+  return false;
+}
+
+bool ClipboardDispatcher::ReadData(Clipboard::Buffer buffer,
+                                   const string16& type,
+                                   string16* data,
+                                   string16* metadata) {
+  DCHECK(data);
+  DCHECK(metadata);
+  return false;
+}
+
+bool ClipboardDispatcher::ReadFilenames(Clipboard::Buffer buffer,
+                                        std::vector<string16>* filenames) {
+  DCHECK(filenames);
+  filenames->clear();
+  return false;
+}
+