mojom: Add associative arrays to the mojom language.

mojo/services/clipboard/clipboard_standalone_impl.h

 // Copyright (c) 2014 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 MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
 #define MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
 
 #include <base/memory/scoped_ptr.h>
 #include <string>
 
@@ skipping 20 matching lines @@
   virtual void GetSequenceNumber(
       Clipboard::Type clipboard_type,
       const mojo::Callback<void(uint64_t)>& callback) override;
   virtual void GetAvailableMimeTypes(
       Clipboard::Type clipboard_types,
       const mojo::Callback<void(mojo::Array<mojo::String>)>& callback) override;
   virtual void ReadMimeType(
       Clipboard::Type clipboard_type,
       const mojo::String& mime_type,
       const mojo::Callback<void(mojo::Array<uint8_t>)>& callback) override;
-  virtual void WriteClipboardData(Clipboard::Type clipboard_type,
-                                  mojo::Array<MimeTypePairPtr> data) override;
+  virtual void WriteClipboardData(
+      Clipboard::Type clipboard_type,
+      mojo::Map<mojo::String, mojo::Array<uint8_t> > data) override;
 
  private:
   uint64_t sequence_number_[kNumClipboards];
 
   // Internal struct which stores the current state of the clipboard.
   class ClipboardData;
 
   // The current clipboard state. This is what is read from.
   scoped_ptr<ClipboardData> clipboard_state_[kNumClipboards];
 
   DISALLOW_COPY_AND_ASSIGN(ClipboardStandaloneImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_