Add action for each button on opt-in IME menu.

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 834bb1e9c63b4a72bf17aeae2f70317a3a6ab22b..ac663850dd692be897929307796da34e5b1e01cb 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -12,6 +12,7 @@
 #include <sstream>
 #include <utility>
 
+#include "ash/shell.h"
 #include "base/bind.h"
 #include "base/hash.h"
 #include "base/location.h"
@@ -1213,5 +1214,37 @@ void InputMethodManagerImpl::MaybeNotifyImeMenuActivationChanged() {
                         is_ime_menu_activated_);
 }
 
+void InputMethodManagerImpl::ShowInputViewWithUrl(

[Shu Chen, 2016/09/11 08:33:25]

Is there any reason why this interface/implement is in IMF instead of
ui/keyboard?

If the logic below is only about ui/keyboard and nothing to do with IMF, I think
it should be within ui/keyboard.

[Azure Wei, 2016/09/12 13:12:57]

If 'on-screen keyboard' hasn't been enabled, we need to call:
ash::Shell::GetInstance()->CreateKeyboard();
to forcibly show the keyboard.
This can't be called uner ui/keyboard.

+    const std::string& appended_url) {
+  GURL current_url = keyboard::GetOverrideContentUrl();
+  GURL input_view_url =
+      GetActiveIMEState()->GetCurrentInputMethod().input_view_url();
+  if (current_url != input_view_url)
+    return;
+  GURL overriden_url = GURL(current_url.spec() + appended_url);
+  keyboard::SetOverrideContentUrl(overriden_url);
+
+  keyboard::KeyboardController* keyboard_controller =
+      keyboard::KeyboardController::GetInstance();
+  if (keyboard_controller) {
+    keyboard_controller->ShowKeyboard(false);
+    return;
+  }
+
+  if (keyboard::IsKeyboardEnabled())
+    return;
+
+  // Forcibly enables the a11y onscreen keyboard if there is on keyboard enabled
+  // for now. And re-disables it after showing once.
+  keyboard::SetAccessibilityKeyboardEnabled(true);
+  ash::Shell::GetInstance()->CreateKeyboard();
+  keyboard_controller = keyboard::KeyboardController::GetInstance();
+  if (!keyboard_controller) {
+    keyboard::SetAccessibilityKeyboardEnabled(false);
+  }
+  keyboard_controller->ShowKeyboard(false);
+  keyboard::SetAccessibilityKeyboardEnabled(false);
+}
+
 }  // namespace input_method
 }  // namespace chromeos