Run PPB_CharSet_Dev logic directly in the plugin process.

ppapi/shared_impl/char_set_impl.h

Index: ppapi/shared_impl/char_set_impl.h
diff --git a/ppapi/shared_impl/char_set_impl.h b/ppapi/shared_impl/char_set_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..985a5d693cb596e3ee1d56ddd416625de566a3a4
--- /dev/null
+++ b/ppapi/shared_impl/char_set_impl.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef PPAPI_SHARED_IMPL_CHAR_SET_IMPL_H_
+#define PPAPI_SHARED_IMPL_CHAR_SET_IMPL_H_
+
+#include "base/basictypes.h"
+#include "ppapi/c/dev/ppb_char_set_dev.h"
+
+struct PPB_Core;
+
+namespace pp {
+namespace shared_impl {
+
+// Contains the implementation of character set conversion that is shared
+// between the proxy and the renderer.
+class CharSetImpl {
+ public:
+  static char* UTF16ToCharSet(const PPB_Core* core,
+                              const uint16_t* utf16,
+                              uint32_t utf16_len,
+                              const char* output_char_set,
+                              PP_CharSet_ConversionError on_error,
+                              uint32_t* output_length);
+
+  static uint16_t* CharSetToUTF16(const PPB_Core* core,
+                                  const char* input,
+                                  uint32_t input_len,
+                                  const char* input_char_set,
+                                  PP_CharSet_ConversionError on_error,
+                                  uint32_t* output_length);
+};
+
+}  // namespace shared_impl
+}  // namespace pp
+
+#endif  // PPAPI_SHARED_IMPL_CHAR_SET_IMPL_H_