Pepper/Flapper: Add IsFormatAvailable() to PPB_Flash_Clipboard.

webkit/glue/webclipboard_impl.cc

 // Copyright (c) 2011 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 "webkit/glue/webclipboard_impl.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/gurl.h"
@@ skipping 49 matching lines @@
   return markup;
 }
 
 WebClipboardImpl::~WebClipboardImpl() {
 }
 
 bool WebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) {
   ui::Clipboard::FormatType format_type;
   ui::Clipboard::Buffer buffer_type;
 
+  if (!ConvertBufferType(buffer, &buffer_type))
+    return false;
+
   switch (format) {
+    case FormatPlainText:
+      return ClipboardIsFormatAvailable(ui::Clipboard::GetPlainTextFormatType(),
+                                        buffer_type) ||
+          ClipboardIsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(),
+                                     buffer_type);
     case FormatHTML:
       format_type = ui::Clipboard::GetHtmlFormatType();
       break;
     case FormatSmartPaste:
       format_type = ui::Clipboard::GetWebKitSmartPasteFormatType();
       break;
     case FormatBookmark:
 #if defined(OS_WIN) || defined(OS_MACOSX)
       format_type = ui::Clipboard::GetUrlWFormatType();
       break;
 #endif
     default:
       NOTREACHED();
       return false;
   }
 
-  if (!ConvertBufferType(buffer, &buffer_type))
-    return false;
-
   return ClipboardIsFormatAvailable(format_type, buffer_type);
 }
 
 WebString WebClipboardImpl::readPlainText(Buffer buffer) {
   ui::Clipboard::Buffer buffer_type;
   if (!ConvertBufferType(buffer, &buffer_type))
     return WebString();
 
   if (ClipboardIsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(),
                                  buffer_type)) {
@@ skipping 139 matching lines @@
       break;
 #endif
     default:
       NOTREACHED();
       return false;
   }
   return true;
 }
 
 }  // namespace webkit_glue