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

chrome/common/extensions/extension_constants.h

Index: chrome/common/extensions/extension_constants.h
diff --git a/chrome/common/extensions/extension_constants.h b/chrome/common/extensions/extension_constants.h
index adb7e78ef0c1bcf649584d7beede6c54c31be3ff..049567fe3453d756a8280b748a0cd0f119ab6ec2 100644
--- a/chrome/common/extensions/extension_constants.h
+++ b/chrome/common/extensions/extension_constants.h
@@ -209,11 +209,6 @@ extern const char kSwitchAccessExtensionPath[];
 // Name of the manifest file in an extension when a special manifest is used
 // for guest mode.
 extern const char kGuestManifestFilename[];
-// Extension id, path (relative to |chrome::DIR_RESOURCES|) and IME engine
-// id for the builtin-in Braille IME extension.
-extern const char kBrailleImeExtensionId[];
-extern const char kBrailleImeExtensionPath[];
-extern const char kBrailleImeEngineId[];
 // Path to preinstalled Connectivity Diagnostics extension.
 extern const char kConnectivityDiagnosticsPath[];
 extern const char kConnectivityDiagnosticsLauncherPath[];