Fix a crash which occurs due to a CHECK firing in the HWNDMessageHandler::OnKeyEvent code path on W…

ui/views/widget/widget_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 <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 16 matching lines @@
 #include "ui/views/test/test_widget_observer.h"
 #include "ui/views/test/widget_test.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/native_widget_delegate.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget_deletion_observer.h"
 #include "ui/views/window/dialog_delegate.h"
 #include "ui/views/window/native_frame_view.h"
 
 #if defined(OS_WIN)
+#include "ui/aura/window.h"
+#include "ui/aura/window_tree_host.h"
+#include "ui/base/view_prop.h"
+#include "ui/base/win/window_event_target.h"
 #include "ui/views/win/hwnd_util.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
 namespace views {
 namespace test {
 
@@ skipping 3330 matching lines @@
 
   EXPECT_NE(test_rect.size(), widget->GetWindowBoundsInScreen().size());
 
   EXPECT_EQ(test_rect, root_view->bounds());
   widget->ReorderNativeViews();
   EXPECT_EQ(test_rect, root_view->bounds());
 
   widget->CloseNow();
 }
 
+#if defined(OS_WIN)
+// This test validates that sending WM_CHAR/WM_SYSCHAR/WM_SYSDEADCHAR
+// messages via the WindowEventTarget interface implemented by the
+// HWNDMessageHandler class does not cause a crash due to an unprocessed
+// event
+TEST_F(WidgetTest, CharMessagesAsKeyboardMessagesDoesNotCrash) {
+  Widget widget;
+  Widget::InitParams params =
+      CreateParams(Widget::InitParams::TYPE_WINDOW);
+  params.native_widget = new PlatformDesktopNativeWidget(&widget);
+  params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+  widget.Init(params);
+  widget.Show();
+
+  ui::WindowEventTarget* target =
+      reinterpret_cast<ui::WindowEventTarget*>(ui::ViewProp::GetValue(
+          widget.GetNativeWindow()->GetHost()->GetAcceleratedWidget(),
+          ui::WindowEventTarget::kWin32InputEventTarget));
+  EXPECT_NE(nullptr, target);
+  bool handled = false;
+  target->HandleKeyboardMessage(WM_CHAR, 0, 0, &handled);
+  target->HandleKeyboardMessage(WM_SYSCHAR, 0, 0, &handled);
+  target->HandleKeyboardMessage(WM_SYSDEADCHAR, 0, 0, &handled);
+  widget.CloseNow();
+}
+#endif
+
 }  // namespace test
 }  // namespace views