Suppress LangAwareRewriter to suggest the raw text if the query is in the dictionary as a key

This CL adds DictionaryInterface::HasKey with which LangAwareRewriter can determine when the raw text should be suggested.

Closes Issue 267.

BUG=Issue mozc:267
TEST=manually done on Ubuntu 14.04

git-svn-id: a6090854-d499-a067-5803-1114d4e51264
19 files changed
tree: f748771bc43edaef3482e484bea1195673d60677
  1. src/