Pass through the CONVERT/NONCONVERT/HANKAKU_ZENKAKU keys.

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index f9fd914af14100ab3da32fbbee758df7e7ee97a4..085034f33ff545e501c0bdb66406c2ddc2f7bb66 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -741,7 +741,12 @@ bool InputMethodManagerImpl::StateImpl::SwitchInputMethod(
   }
 
   SwitchToNextInputMethodInternal(ids, current_input_method.id());
-  return true;  // consume the accelerator.
+
+  // Consume if the triggering accelerator key may have a side-effect(unexpected
+  // character insertion or unexpected accelerator triggering). Here all
+  // incoming key code is only CONVERT/NONCONVERT/HANKAKU_ZENKAKU keys. Thus no
+  // need to consume keys since none of them have side-effect.
+  return false;

[Shu Chen, 2014/12/08 14:55:07]

you may need to rebase this cl.

[Seigo Nonaka, 2014/12/09 09:27:32]

Oh... the HEAD is quite different...

 }
 
 void InputMethodManagerImpl::StateImpl::SwitchToNextInputMethodInternal(