mojom: Add associative arrays to the mojom language.

mojo/services/clipboard/clipboard_standalone_impl.cc

Index: mojo/services/clipboard/clipboard_standalone_impl.cc
diff --git a/mojo/services/clipboard/clipboard_standalone_impl.cc b/mojo/services/clipboard/clipboard_standalone_impl.cc
index e1c7e2c3114e0d24248d99ae8a6e5204aa26d03e..0535dd6afa57d3b979908067137e58a02d32c820 100644
--- a/mojo/services/clipboard/clipboard_standalone_impl.cc
+++ b/mojo/services/clipboard/clipboard_standalone_impl.cc
@@ -97,4 +97,13 @@ void ClipboardStandaloneImpl::WriteClipboardData(
   clipboard_state_[clipboard_type]->SetData(&mime_data);
 }
 
+void ClipboardStandaloneImpl::FakeTestMethod(
+      const mojo::Callback<void(mojo::Map<mojo::String,
+                                mojo::String>)>& callback) {
+  std::map<std::string, std::string> blah;
+  blah["one"] = "more";
+  blah["two"] = "less";
+  callback.Run(Map<String, String>::From(blah));
+}
+
 }  // namespace mojo