Don't use drag to corner resizing for unresizable windows

ash/wm/workspace/multi_window_resize_controller_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 "ash/wm/workspace/multi_window_resize_controller.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller.h"
 #include "ash/wm/workspace_controller_test_helper.h"
 #include "ash/wm/workspace/workspace_event_handler_test_helper.h"
+#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace internal {
 
@@ skipping 96 matching lines @@
 
   EXPECT_FALSE(IsOverWindows(gfx::Point(200, 200)));
 
   // Have to explicitly invoke this as MouseWatcher listens for native events.
   resize_controller_->MouseMovedOutOfHost();
   EXPECT_FALSE(HasPendingShow());
   EXPECT_FALSE(IsShowing());
   EXPECT_FALSE(HasPendingHide());
 }
 
+// Make sure that a non resizable window has no impact.
+TEST_F(MultiWindowResizeControllerTest, NonResizableTest) {
+  aura::test::TestWindowDelegate delegate1;
+  scoped_ptr<aura::Window> w1(
+      CreateTestWindow(&delegate1, gfx::Rect(0, 0, 100, 100)));
+  delegate1.set_window_component(HTRIGHT);
+  aura::test::TestWindowDelegate delegate2;
+  scoped_ptr<aura::Window> w2(
+      CreateTestWindow(&delegate2, gfx::Rect(100, 0, 100, 100)));
+  delegate2.set_window_component(HTRIGHT);
+  w2->SetProperty(aura::client::kCanResizeKey, false);
+  aura::test::EventGenerator generator(w1->GetRootWindow());
+  generator.MoveMouseTo(99, 50);
+  EXPECT_FALSE(HasPendingShow());
+  EXPECT_FALSE(IsShowing());
+  EXPECT_FALSE(HasPendingHide());
+}
+
 // Makes sure deleting a window hides.
 TEST_F(MultiWindowResizeControllerTest, DeleteWindow) {
   aura::test::TestWindowDelegate delegate1;
   scoped_ptr<aura::Window> w1(
       CreateTestWindow(&delegate1, gfx::Rect(0, 0, 100, 100)));
   delegate1.set_window_component(HTRIGHT);
   aura::test::TestWindowDelegate delegate2;
   scoped_ptr<aura::Window> w2(
       CreateTestWindow(&delegate2, gfx::Rect(100, 0, 100, 100)));
   delegate2.set_window_component(HTRIGHT);
@@ skipping 109 matching lines @@
   EXPECT_TRUE(HasTarget(w3.get()));
 
   // Release the mouse. The resizer should still be visible and a subsequent
   // press should not trigger a DCHECK.
   generator.ReleaseLeftButton();
   EXPECT_TRUE(IsShowing());
   generator.PressLeftButton();
 }
 }  // namespace internal
 }  // namespace ash