Do not consume Alt-Shift-Up event for IME switch.

chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.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 <algorithm>
 
 #include "ash/ime/input_method_menu_item.h"
 #include "ash/ime/input_method_menu_manager.h"
@@ skipping 871 matching lines @@
   ui::Accelerator keyup_accelerator(ui::VKEY_SPACE, ui::EF_CONTROL_DOWN);
   keyup_accelerator.set_type(ui::ET_KEY_RELEASED);
 
   std::vector<std::string> keyboard_layouts;
   keyboard_layouts.push_back(ImeIdFromEngineId("xkb:us::eng"));
   manager_->EnableLoginLayouts("en-US", keyboard_layouts);
   EXPECT_EQ(5U, manager_->GetNumActiveInputMethods());
   EXPECT_EQ(ImeIdFromEngineId("xkb:us::eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us", keyboard_->last_layout_);
-  EXPECT_TRUE(manager_->SwitchToNextInputMethod());
+  manager_->SwitchToNextInputMethod();
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us:intl:eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us(intl)", keyboard_->last_layout_);
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keydown_accelerator));
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keyup_accelerator));
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us::eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us", keyboard_->last_layout_);
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keydown_accelerator));
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keyup_accelerator));
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us:intl:eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us(intl)", keyboard_->last_layout_);
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keydown_accelerator));
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keyup_accelerator));
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us::eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us", keyboard_->last_layout_);
-  EXPECT_TRUE(manager_->SwitchToNextInputMethod());
+  manager_->SwitchToNextInputMethod();
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us:intl:eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us(intl)", keyboard_->last_layout_);
-  EXPECT_TRUE(manager_->SwitchToNextInputMethod());
+  manager_->SwitchToNextInputMethod();
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us:altgr-intl:eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us(altgr-intl)", keyboard_->last_layout_);
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keydown_accelerator));
   EXPECT_TRUE(manager_->SwitchToPreviousInputMethod(keyup_accelerator));
   EXPECT_TRUE(observer.last_show_message_);
   EXPECT_EQ(ImeIdFromEngineId("xkb:us:intl:eng"),
             manager_->GetCurrentInputMethod().id());
   EXPECT_EQ("us(intl)", keyboard_->last_layout_);
@@ skipping 435 matching lines @@
   ASSERT_EQ(4U, input_method_ids.size());
 
   EXPECT_EQ(ImeIdFromEngineId("xkb:us::eng"), input_method_ids[0]);
   EXPECT_EQ(ImeIdFromEngineId("xkb:fr::fra"), input_method_ids[1]);
   EXPECT_EQ("_comp_ime_asdf_pinyin", input_method_ids[2]);
   EXPECT_EQ(ImeIdFromEngineId("zh-t-i0-pinyin"), input_method_ids[3]);
 }
 
 }  // namespace input_method
 }  // namespace chromeos