Move functions for controlling Caps Lock to CapsLockDelegate from SystemTrayDelegate.

chrome/browser/ui/ash/caps_lock_handler_browsertest.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/ash/caps_lock_handler.h"
 
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/input_method/mock_xkeyboard.h"
 using namespace chromeos::input_method;
 #endif
 
 namespace {
 
 #if defined(OS_CHROMEOS)
 class CapsLockHandlerTest : public InProcessBrowserTest {
  public:
   CapsLockHandlerTest()
       : initial_caps_lock_state_(false) {
   }
   virtual void SetUp() OVERRIDE {
     handler_.reset(new CapsLockHandler(&xkeyboard_));
-    // Force CapsLockHandler::HandleToggleCapsLock() to toggle the lock state.
+    // Force CapsLockHandler::ToggleCapsLock() to toggle the lock state.
     handler_->set_is_running_on_chromeos_for_test(true);
   }
   virtual void TearDown() OVERRIDE {
     handler_.reset();
   }
 
  protected:
   const bool initial_caps_lock_state_;
   MockXKeyboard xkeyboard_;
   scoped_ptr<CapsLockHandler> handler_;
 
   DISALLOW_COPY_AND_ASSIGN(CapsLockHandlerTest);
 };
 #endif
 
 }  // namespace
 
 #if defined(OS_CHROMEOS)
-// Check if HandleToggleCapsLock() really changes the lock state.
+// Check if ToggleCapsLock() really changes the lock state.
 IN_PROC_BROWSER_TEST_F(CapsLockHandlerTest, TestCapsLock) {
   EXPECT_EQ(initial_caps_lock_state_, handler_->caps_lock_is_on_for_test());
-  EXPECT_TRUE(handler_->HandleToggleCapsLock());
+  handler_->ToggleCapsLock();
   EXPECT_EQ(!initial_caps_lock_state_, xkeyboard_.CapsLockIsEnabled());
   handler_->OnCapsLockChange(!initial_caps_lock_state_);
   EXPECT_EQ(!initial_caps_lock_state_, handler_->caps_lock_is_on_for_test());
-  EXPECT_TRUE(handler_->HandleToggleCapsLock());
+  handler_->ToggleCapsLock();
   handler_->OnCapsLockChange(initial_caps_lock_state_);
   EXPECT_EQ(initial_caps_lock_state_, xkeyboard_.CapsLockIsEnabled());
   EXPECT_EQ(initial_caps_lock_state_, handler_->caps_lock_is_on_for_test());
+
+  // Check if SetCapsLockEnabled really changes the lock state.
+  handler_->SetCapsLockEnabled(!initial_caps_lock_state_);
+  EXPECT_EQ(!initial_caps_lock_state_, handler_->caps_lock_is_on_for_test());
+  EXPECT_EQ(!initial_caps_lock_state_, xkeyboard_.CapsLockIsEnabled());
+  EXPECT_EQ(!initial_caps_lock_state_, handler_->IsCapsLockEnabled());
+  handler_->SetCapsLockEnabled(initial_caps_lock_state_);
+  EXPECT_EQ(initial_caps_lock_state_, handler_->caps_lock_is_on_for_test());
+  EXPECT_EQ(initial_caps_lock_state_, xkeyboard_.CapsLockIsEnabled());
+  EXPECT_EQ(initial_caps_lock_state_, handler_->IsCapsLockEnabled());
 }
 #endif