chromeos: Move InputMethodUtil into //ui/base/ime/chromeos

ui/base/ime/chromeos/extension_ime_util.cc

Index: ui/base/ime/chromeos/extension_ime_util.cc
diff --git a/ui/base/ime/chromeos/extension_ime_util.cc b/ui/base/ime/chromeos/extension_ime_util.cc
index 71440a180d072daa865e818331c3cf542c16d7d6..bc02ce8e0e38e6ef7fbcf85f1199e3262caacd2b 100644
--- a/ui/base/ime/chromeos/extension_ime_util.cc
+++ b/ui/base/ime/chromeos/extension_ime_util.cc
@@ -23,6 +23,11 @@ const int kExtensionIdLength = 32;
 
 namespace extension_ime_util {
 
+const char kBrailleImeExtensionId[] = "jddehjeebkoimngcbdkaahpobgicbffp";
+const char kBrailleImeExtensionPath[] = "chromeos/braille_ime";
+const char kBrailleImeEngineId[] =
+    "_comp_ime_jddehjeebkoimngcbdkaahpobgicbffpbraille";
+
 std::string GetInputMethodID(const std::string& extension_id,
                              const std::string& engine_id) {
   DCHECK(!extension_id.empty());