Adds extension events for custom dictionary load/change.

chrome/browser/chromeos/extensions/input_method_api.h

Index: chrome/browser/chromeos/extensions/input_method_api.h
diff --git a/chrome/browser/chromeos/extensions/input_method_api.h b/chrome/browser/chromeos/extensions/input_method_api.h
index aed0217dcd6ad451368a450e8630779e68ecb410..509c1150e0a089dde5c99ff5fc663e8e75a4c72f 100644
--- a/chrome/browser/chromeos/extensions/input_method_api.h
+++ b/chrome/browser/chromeos/extensions/input_method_api.h
@@ -12,6 +12,7 @@
 #include "extensions/browser/extension_function.h"
 
 namespace chromeos {
+class ExtensionDictionaryEventRouter;
 class ExtensionInputMethodEventRouter;
 }
 
@@ -116,6 +117,8 @@ class AddWordToDictionaryFunction : public UIThreadExtensionFunction {
 class InputMethodAPI : public BrowserContextKeyedAPI,
                        public extensions::EventRouter::Observer {
  public:
+  static const char kOnDictionaryChanged[];
+  static const char kOnDictionaryLoaded[];
   static const char kOnInputMethodChanged[];
 
   explicit InputMethodAPI(content::BrowserContext* context);
@@ -148,6 +151,8 @@ class InputMethodAPI : public BrowserContextKeyedAPI,
   // Created lazily upon OnListenerAdded.
   scoped_ptr<chromeos::ExtensionInputMethodEventRouter>
       input_method_event_router_;
+  scoped_ptr<chromeos::ExtensionDictionaryEventRouter>
+      dictionary_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodAPI);
 };