Fix a bug where we were emitting bogus error messages.
Fix a bug where we were emitting bogus error messages.

We shouldn't use input_method::GetStringUTF16() for the
return value of input_method::GetInputMethodDisplayNameFromId()
as the return value is already translated.

BUG=chromium-os:11911
TEST=confirm that the error messages no longer appear.

Review URL: http://codereview.chromium.org/6479016

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@74782 0039d316-1c4b-4281-b951-d872f2087c98

Crystalnix/house-of-life-chromium,adobe/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,adobe/chromium,ropik/chromium,adobe/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,adobe/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,Crystalnix/house-of-life-chromium