Add power-user keyboard mode for ChromeOS with Search key acting as a typical Fn key.

chrome/browser/ui/webui/options/chromeos/keyboard_handler.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/ui/webui/options/chromeos/keyboard_handler.h"
 
 #include "base/command_line.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/input_method/xkeyboard.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 45 matching lines @@
           IDS_OPTIONS_SETTINGS_LANGUAGES_KEY_SEARCH_LABEL));
   localized_strings->SetString("remapControlKeyToContent",
       l10n_util::GetStringUTF16(
           IDS_OPTIONS_SETTINGS_LANGUAGES_KEY_LEFT_CTRL_LABEL));
   localized_strings->SetString("remapAltKeyToContent",
       l10n_util::GetStringUTF16(
           IDS_OPTIONS_SETTINGS_LANGUAGES_KEY_LEFT_ALT_LABEL));
   localized_strings->SetString("remapCapsLockKeyToContent",
       l10n_util::GetStringUTF16(
           IDS_OPTIONS_SETTINGS_LANGUAGES_KEY_CAPS_LOCK_LABEL));
+  localized_strings->SetString("searchKeyActsAsFunctionKey",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_LANGUAGES_KEY_SEARCH_AS_FUNCTION));
 
   for (size_t i = 0; i < arraysize(kDataValuesNames); ++i) {
     ListValue* list_value = new ListValue();
     for (size_t j = 0; j < arraysize(kModifierKeysSelectItems); ++j) {
       const input_method::ModifierKey value =
           kModifierKeysSelectItems[j].value;
       const int message_id = kModifierKeysSelectItems[j].message_id;
       // Only the seach key can be remapped to the caps lock key.
       if (kDataValuesNames[i] != std::string("remapSearchKeyToValue") &&
           kDataValuesNames[i] != std::string("remapCapsLockKeyToValue") &&
           value == input_method::kCapsLockKey) {
         continue;
       }
       ListValue* option = new ListValue();
       option->Append(Value::CreateIntegerValue(value));
       option->Append(Value::CreateStringValue(l10n_util::GetStringUTF16(
           message_id)));
       list_value->Append(option);
     }
     localized_strings->Set(kDataValuesNames[i], list_value);
   }
 }
 
 void KeyboardHandler::InitializePage() {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kHasChromeOSKeyboard))
-    return;
+  bool chromeos_keyboard = CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kHasChromeOSKeyboard);
+  bool chromebook_function_key = CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableChromebookFunctionKey);
+
   const base::FundamentalValue show_options(true);
-  web_ui()->CallJavascriptFunction(
-      "options.KeyboardOverlay.showCapsLockOptions", show_options);
+
+  if (!chromeos_keyboard) {
+    web_ui()->CallJavascriptFunction(
+        "options.KeyboardOverlay.showCapsLockOptions", show_options);
+  }
+
+  if (chromebook_function_key) {
+    web_ui()->CallJavascriptFunction(
+        "options.KeyboardOverlay.showFunctionKeyOptions", show_options);
+  }
 }
 
 }  // namespace options
 }  // namespace chromeos