Fix bug of input.ime.onKeyEvent on Linux.

ui/base/ime/input_method_auralinux.cc

Index: ui/base/ime/input_method_auralinux.cc
diff --git a/ui/base/ime/input_method_auralinux.cc b/ui/base/ime/input_method_auralinux.cc
index 08ec50bdc22f902b1eefda6d94da01f84343ec82..97ce8ea79b554a36abd06fcd7334d6028b734e52 100644
--- a/ui/base/ime/input_method_auralinux.cc
+++ b/ui/base/ime/input_method_auralinux.cc
@@ -104,16 +104,31 @@ void InputMethodAuraLinux::DispatchKeyEvent(ui::KeyEvent* event) {
   if (text_input_type_ != TEXT_INPUT_TYPE_PASSWORD &&
       GetEngine() && GetEngine()->IsInterestedInKeyEvent() &&
       (!filtered || NeedInsertChar())) {
-    ui::IMEEngineHandlerInterface::KeyEventDoneCallback callback =
-        base::Bind(&InputMethodAuraLinux::ProcessKeyEventDone,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   base::Owned(new ui::KeyEvent(*event)), filtered);
+    ui::IMEEngineHandlerInterface::KeyEventDoneCallback callback = base::Bind(
+        &InputMethodAuraLinux::ProcessKeyEventByEngineDone,
+        weak_ptr_factory_.GetWeakPtr(), base::Owned(new ui::KeyEvent(*event)),
+        filtered, composition_changed_,
+        base::Owned(new ui::CompositionText(composition_)),
+        base::Owned(new base::string16(result_text_)));
     GetEngine()->ProcessKeyEvent(*event, callback);
   } else {
     ProcessKeyEventDone(event, filtered, false);
   }
 }
 
+void InputMethodAuraLinux::ProcessKeyEventByEngineDone(
+    ui::KeyEvent* event,
+    bool filtered,
+    bool composition_changed,
+    ui::CompositionText* composition,
+    base::string16* result_text,
+    bool is_handled) {
+  composition_changed_ = composition_changed;
+  composition_.CopyFrom(*composition);
+  result_text_ = *result_text;
+  ProcessKeyEventDone(event, filtered, is_handled);
+}
+
 void InputMethodAuraLinux::ProcessKeyEventDone(ui::KeyEvent* event,
                                                bool filtered,
                                                bool is_handled) {