Revert of Implement ui::ClipboardMus.

ui/base/clipboard/clipboard_aura.cc

Index: ui/base/clipboard/clipboard_aura.cc
diff --git a/ui/base/clipboard/clipboard_aura.cc b/ui/base/clipboard/clipboard_aura.cc
index fa93a227cf8061a1846182959217e01e89ceb907..e4981a27cdcc2a127120b543512230de4aa0503f 100644
--- a/ui/base/clipboard/clipboard_aura.cc
+++ b/ui/base/clipboard/clipboard_aura.cc
@@ -24,6 +24,8 @@
 namespace {
 const char kMimeTypeFilename[] = "chromium/filename";
 const char kMimeTypeBitmap[] = "image/bmp";
+const char kMimeTypePepperCustomData[] = "chromium/x-pepper-custom-data";
+const char kMimeTypeWebkitSmartPaste[] = "chromium/x-webkit-paste";
 const size_t kMaxClipboardSize = 1;
 
 // Clipboard data format used by AuraClipboard.
@@ -452,12 +454,6 @@
 // static
 const Clipboard::FormatType& Clipboard::GetUrlWFormatType() {
   return GetUrlFormatType();
-}
-
-// static
-const Clipboard::FormatType& Clipboard::GetMozUrlFormatType() {
-  CR_DEFINE_STATIC_LOCAL(FormatType, type, (kMimeTypeMozillaURL));
-  return type;
 }
 
 // static