Adds the input method private API to allow the component IME extension to change the XKB layout.

chrome/browser/chromeos/extensions/input_method_api.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 121 matching lines @@
   ~InputMethodPrivateGetEncryptSyncEnabledFunction() override {}
 
   ResponseAction Run() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.getEncryptSyncEnabled",
                              INPUTMETHODPRIVATE_GETENCRYPTSYNCENABLED)
   DISALLOW_COPY_AND_ASSIGN(InputMethodPrivateGetEncryptSyncEnabledFunction);
 };
 
+// Implements the inputMethodPrivate.setXkbLayout method.
+class InputMethodPrivateSetXkbLayoutFunction
+    : public UIThreadExtensionFunction {
+ public:
+  InputMethodPrivateSetXkbLayoutFunction() {}
+
+ protected:
+  ~InputMethodPrivateSetXkbLayoutFunction() override {}
+
+  ResponseAction Run() override;
+
+ private:
+  DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.setXkbLayout",
+                             INPUTMETHODPRIVATE_SETXKBLAYOUT)
+  DISALLOW_COPY_AND_ASSIGN(InputMethodPrivateSetXkbLayoutFunction);
+};
+
 class InputMethodAPI : public BrowserContextKeyedAPI,
                        public extensions::EventRouter::Observer {
  public:
   explicit InputMethodAPI(content::BrowserContext* context);
   ~InputMethodAPI() override;
 
   // Returns input method name for the given XKB (X keyboard extensions in X
   // Window System) id.
   static std::string GetInputMethodForXkb(const std::string& xkb_id);
 
@@ skipping 22 matching lines @@
       input_method_event_router_;
   scoped_ptr<chromeos::ExtensionDictionaryEventRouter>
       dictionary_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodAPI);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_