Move all white-listed input method indicator text from InputMethodUtil to manifests of IME extensio…

chromeos/ime/input_method_descriptor.cc

Index: chromeos/ime/input_method_descriptor.cc
diff --git a/chromeos/ime/input_method_descriptor.cc b/chromeos/ime/input_method_descriptor.cc
index 49b03605eb71b839e577848ada49bd64dd862712..6b9f42b0a51174d586b25999f8674728c88ae403 100644
--- a/chromeos/ime/input_method_descriptor.cc
+++ b/chromeos/ime/input_method_descriptor.cc
@@ -8,6 +8,8 @@
 
 #include "base/logging.h"
 #include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
+#include "chromeos/ime/extension_ime_util.h"
 #include "url/gurl.h"
 
 namespace chromeos {
@@ -38,6 +40,18 @@ std::string InputMethodDescriptor::GetPreferredKeyboardLayout() const {
   return keyboard_layouts_.empty() ? "us" : keyboard_layouts_[0];
 }
 
+std::string InputMethodDescriptor::GetIndicator() const {
+  // If indicator is empty, use the first two character in its preferred
+  // keyboard layout or language code.
+  if (indicator_.empty()) {
+    if (extension_ime_util::IsKeyboardLayoutExtension(id_))
+      return StringToUpperASCII(GetPreferredKeyboardLayout().substr(0, 2));
+    DCHECK(language_codes_.size() > 0);
+    return StringToUpperASCII(language_codes_[0].substr(0, 2));
+  }
+  return indicator_;
+}
+
 InputMethodDescriptor::InputMethodDescriptor() {
 }