split ui/base/clipboard constants out for split_link

ui/base/clipboard/clipboard.cc

 // Copyright (c) 2012 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 "ui/base/clipboard/clipboard.h"
 
 #include <iterator>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 85 matching lines @@
 
 // The union serves to easily convert SourceTag into its binary representation
 // and vice versa.
 union SourceTag2BinaryHelper {
   SourceTag tag;
   uint8 bytes[kSourceTagSize];
 };
 
 }  // namespace
 
-const char Clipboard::kMimeTypeText[] = "text/plain";
-const char Clipboard::kMimeTypeURIList[] = "text/uri-list";
-const char Clipboard::kMimeTypeDownloadURL[] = "downloadurl";
-const char Clipboard::kMimeTypeHTML[] = "text/html";
-const char Clipboard::kMimeTypeRTF[] = "text/rtf";
-const char Clipboard::kMimeTypePNG[] = "image/png";
-
 // static
 Clipboard::ObjectMapParam Clipboard::SourceTag2Binary(SourceTag tag) {
   SourceTag2BinaryHelper helper;
   helper.tag = tag;
   std::vector<char> bytes(kSourceTagSize);
   memcpy(&bytes[0], helper.bytes, kSourceTagSize);
   return bytes;
 }
 
 // static
@@ skipping 170 matching lines @@
       // UI thread (see DispatchObject()).
       iter->second[0].clear();
       for (size_t i = 0; i < sizeof(SharedMemory*); ++i)
         iter->second[0].push_back(reinterpret_cast<char*>(&bitmap)[i]);
       has_shared_bitmap = true;
     }
   }
 }
 
 }  // namespace ui