Move flash clipboard to the new proxy and add custom format support

ui/base/clipboard/clipboard_mac.mm

 // 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"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 15 matching lines @@
 
 namespace {
 
 // Would be nice if this were in UTCoreTypes.h, but it isn't
 NSString* const kUTTypeURLName = @"public.url-name";
 
 // Tells us if WebKit was the last to write to the pasteboard. There's no
 // actual data associated with this type.
 NSString* const kWebSmartPastePboardType = @"NeXT smart paste pasteboard type";
 
+// Pepper custom data format type.
+NSString* const kPepperCustomDataPboardType =
+    @"org.chromium.pepper-custom-data";
+
 NSPasteboard* GetPasteboard() {
   // The pasteboard should not be nil in a UI session, but this handy DCHECK
   // can help track down problems if someone tries using clipboard code outside
   // of a UI session.
   NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
   DCHECK(pasteboard);
   return pasteboard;
 }
 
 }  // namespace
@@ skipping 422 matching lines @@
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kWebSmartPastePboardType));
   return type;
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetWebCustomDataFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kWebCustomDataPboardType));
   return type;
 }
 
+// static
+const Clipboard::FormatType& Clipboard::GetPepperCustomDataFormatType() {
+  CR_DEFINE_STATIC_LOCAL(FormatType, type, (kPepperCustomDataPboardType));
+  return type;
+}
+
 }  // namespace ui