Override keyset with the IME layout info.

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index fb5e5f45dcfbb284a597162f5e6d29b29086ce9a..c6eb51a8d5aec20cb64b03fe33c6cbbc45764ea2 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -1228,23 +1228,24 @@ void InputMethodManagerImpl::OverrideKeyboardUrlRef(const std::string& keyset) {
     return;
 
   if (keyset.empty()) {
+    // Resets the url as the input method default url and notify the hash
+    // changed to VK.
     keyboard::SetOverrideContentUrl(
         GetActiveIMEState()->GetCurrentInputMethod().input_view_url());
+    keyboard::KeyboardController* keyboard_controller =
+        keyboard::KeyboardController::GetInstance();
+    if (keyboard_controller)
+      keyboard_controller->Reload();
     return;
   }
 
   // For system IME extension, the input view url is overridden as:
   // chrome-extension://${extension_id}/inputview.html#id=us.compact.qwerty
   // &language=en-US&passwordLayout=us.compact.qwerty&name=keyboard_us
-  // Fow emoji and handwriting input, we replace the id=${keyset} part with
-  // desired keyset like: id=emoji; For voice, we append ".voice" to the end of
-  // id like: id=${keyset}.voice.
+  // Fow emoji, handwriting and voice input, we append the keyset to the end of
+  // id like: id=${keyset}.emoji/hwt/voice.
   auto j = overridden_ref.find("&", i + 1);
-  if (keyset == "voice") {
-    overridden_ref.replace(j, 0, "." + keyset);
-  } else {
-    overridden_ref.replace(i, j - i, "id=" + keyset);
-  }
+  overridden_ref.replace(j, 0, "." + keyset);

[Shu Chen, 2016/10/24 01:30:47]

To reduce the risk of potential breakage, can you please make safer replacement?
e.g. find the "id=" and then find the "&" or EOS after it.

[Azure Wei, 2016/10/24 08:11:09]

Done.

 
   GURL::Replacements replacements;
   replacements.SetRefStr(overridden_ref);