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

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/input_method/input_method_manager_impl.h"
 
 #include <stdint.h>
 
 #include <algorithm>  // std::find
 #include <memory>
 #include <set>
 #include <sstream>
 #include <utility>
 
+#include "ash/shell.h"
 #include "base/bind.h"
 #include "base/hash.h"
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 1181 matching lines @@
   if (is_ime_menu_activated_ == state_->menu_activated)
     return;
 
   is_ime_menu_activated_ = state_->menu_activated;
   FOR_EACH_OBSERVER(InputMethodManager::ImeMenuObserver, ime_menu_observers_,
                     ImeMenuActivationChanged(is_ime_menu_activated_));
   UMA_HISTOGRAM_BOOLEAN("InputMethod.ImeMenu.ActivationChanged",
                         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