Enables docked windows by default

ash/wm/workspace/workspace_window_resizer_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/workspace_window_resizer.h"
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
@@ skipping 80 matching lines @@
   virtual gfx::Size GetMaximumSize() const OVERRIDE {
     return max_size_;
   }
 
   gfx::Size min_size_;
   gfx::Size max_size_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWindowDelegate);
 };
 
+}  // namespace
+
 class WorkspaceWindowResizerTest : public test::AshTestBase {
  public:
-  WorkspaceWindowResizerTest() {}
+  WorkspaceWindowResizerTest() : workspace_resizer_(NULL) {}
   virtual ~WorkspaceWindowResizerTest() {}
 
   virtual void SetUp() OVERRIDE {
     AshTestBase::SetUp();
     UpdateDisplay(base::StringPrintf("800x%d", kRootHeight));
 
     aura::Window* root = Shell::GetPrimaryRootWindow();
     gfx::Rect root_bounds(root->bounds());
 #if defined(OS_WIN)
     // RootWindow and Display can't resize on Windows Ash.
@@ skipping 47 matching lines @@
       if (*i == window_ || *i == window2_ || *i == window3_) {
         if (!result.empty())
           result += " ";
         result += base::IntToString((*i)->id());
       }
     }
     return result;
   }
 
  protected:
-  gfx::Point CalculateDragPoint(const WorkspaceWindowResizer& resizer,
+  WindowResizer* CreateResizerForTest(
+      aura::Window* window,
+      const gfx::Point& point_in_parent,
+      int window_component) {
+    WindowResizer* resizer = CreateWindowResizer(
+        window,
+        point_in_parent,
+        window_component,
+        aura::client::WINDOW_MOVE_SOURCE_MOUSE).release();
+    workspace_resizer_ = WorkspaceWindowResizer::instance_;
+    return resizer;
+  }
+
+  PhantomWindowController* snap_phantom_window_controller() const {
+    return workspace_resizer_->snap_phantom_window_controller_.get();
+  }
+
+  gfx::Point CalculateDragPoint(const WindowResizer& resizer,
                                 int delta_x,
                                 int delta_y) const {
     gfx::Point location = resizer.GetInitialLocation();
     location.set_x(location.x() + delta_x);
     location.set_y(location.y() + delta_y);
     return location;
   }
 
   std::vector<aura::Window*> empty_windows() const {
     return std::vector<aura::Window*>();
@@ skipping 28 matching lines @@
   TestWindowDelegate delegate2_;
   TestWindowDelegate delegate3_;
   TestWindowDelegate delegate4_;
   scoped_ptr<aura::Window> window_;
   scoped_ptr<aura::Window> window2_;
   scoped_ptr<aura::Window> window3_;
   scoped_ptr<aura::Window> window4_;
 
   TestWindowDelegate touch_resize_delegate_;
   scoped_ptr<aura::Window> touch_resize_window_;
+  WorkspaceWindowResizer* workspace_resizer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizerTest);
 };
 
 class WorkspaceWindowResizerTestSticky : public WorkspaceWindowResizerTest {
  public:
   WorkspaceWindowResizerTestSticky() {}
   virtual ~WorkspaceWindowResizerTestSticky() {}
 
   virtual void SetUp() OVERRIDE {
     CommandLine::ForCurrentProcess()->AppendSwitch(
         ash::switches::kAshEnableStickyEdges);
     WorkspaceWindowResizerTest::SetUp();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizerTestSticky);
 };
 
-}  // namespace
-
 // Assertions around attached window resize dragging from the right with 2
 // windows.
 TEST_F(WorkspaceWindowResizerTest, AttachedResize_RIGHT_2) {
   window_->SetBounds(gfx::Rect(0, 300, 400, 300));
   window2_->SetBounds(gfx::Rect(400, 200, 100, 200));
 
   std::vector<aura::Window*> windows;
   windows.push_back(window2_.get());
   scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
       window_.get(), gfx::Point(), HTRIGHT,
@@ skipping 282 matching lines @@
   // 100 up again.
   resizer->Drag(CalculateDragPoint(*resizer, -10, -100), 0);
   EXPECT_EQ("0,0 200x100", window_->bounds().ToString());
   EXPECT_EQ("10,100 200x266", window2_->bounds().ToString());
   EXPECT_EQ("20,366 100x134", window3_->bounds().ToString());
 }
 
 
 // Assertions around dragging to the left/right edge of the screen.
 TEST_F(WorkspaceWindowResizerTest, Edge) {
-  int bottom =
-      ScreenAsh::GetDisplayWorkAreaBoundsInParent(window_.get()).bottom();
-  window_->SetBounds(gfx::Rect(20, 30, 50, 60));
+  // TODO(varkha): Insets are reset after every drag because of
+  // http://crbug.com/292238.
+  // Window is wide enough not to get docked right away.
+  window_->SetBounds(gfx::Rect(20, 30, 400, 60));
   wm::WindowState* window_state = wm::GetWindowState(window_.get());
 
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 10), 0);
+    int bottom =
+        ScreenAsh::GetDisplayWorkAreaBoundsInParent(window_.get()).bottom();
     resizer->CompleteDrag(0);
     EXPECT_EQ("0,0 720x" + base::IntToString(bottom),
               window_->bounds().ToString());
     ASSERT_TRUE(window_state->HasRestoreBounds());
-    EXPECT_EQ("20,30 50x60",
+    EXPECT_EQ("20,30 400x60",
               window_state->GetRestoreBoundsInScreen().ToString());
   }
   // Try the same with the right side.
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 800, 10), 0);
+    int bottom =
+        ScreenAsh::GetDisplayWorkAreaBoundsInParent(window_.get()).bottom();
     resizer->CompleteDrag(0);
     EXPECT_EQ("80,0 720x" + base::IntToString(bottom),
               window_->bounds().ToString());
     ASSERT_TRUE(window_state->HasRestoreBounds());
-    EXPECT_EQ("20,30 50x60",
+    EXPECT_EQ("20,30 400x60",
               window_state->GetRestoreBoundsInScreen().ToString());
   }
 
   // Test if the restore bounds is correct in multiple displays.
   window_state->ClearRestoreBounds();
 
   if (!SupportsMultipleDisplays())
     return;
 
-  UpdateDisplay("800x600,200x600");
+  UpdateDisplay("800x600,500x600");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
-  window_->SetBoundsInScreen(gfx::Rect(800, 10, 50, 60),
+  // Window is wide enough not to get docked right away.
+  window_->SetBoundsInScreen(gfx::Rect(800, 10, 400, 60),
                              ScreenAsh::GetSecondaryDisplay());
   EXPECT_EQ(root_windows[1], window_->GetRootWindow());
   {
-    bottom =
+    EXPECT_EQ("800,10 400x60", window_->GetBoundsInScreen().ToString());
+
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
+    ASSERT_TRUE(resizer.get());
+    resizer->Drag(CalculateDragPoint(*resizer, 499, 00), 0);
+    int bottom =
         ScreenAsh::GetDisplayWorkAreaBoundsInParent(window_.get()).bottom();
-    EXPECT_EQ("800,10 50x60", window_->GetBoundsInScreen().ToString());
-
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
-    ASSERT_TRUE(resizer.get());
-
-    resizer->Drag(CalculateDragPoint(*resizer, 199, 00), 0);
     resizer->CompleteDrag(0);
-    // With the resolution of 200x600 we will hit in this case the 50% screen
+    // With the resolution of 500x600 we will hit in this case the 50% screen
     // size setting.
-    EXPECT_EQ("100,0 100x" + base::IntToString(bottom),
+    // TODO(varkha): Insets are updated because of http://crbug.com/292238
+    EXPECT_EQ("250,0 250x" + base::IntToString(bottom),
               window_->bounds().ToString());
-    EXPECT_EQ("800,10 50x60",
+    EXPECT_EQ("800,10 400x60",
               window_state->GetRestoreBoundsInScreen().ToString());
   }
 }
 
 // Check that non resizable windows will not get resized.
 TEST_F(WorkspaceWindowResizerTest, NonResizableWindows) {
   window_->SetBounds(gfx::Rect(20, 30, 50, 60));
   window_->SetProperty(aura::client::kCanResizeKey, false);
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, -20, 0), 0);
   resizer->CompleteDrag(0);
   EXPECT_EQ("0,30 50x60", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, CancelSnapPhantom) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("800x600,800x600");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              Shell::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   EXPECT_FLOAT_EQ(1.0f, window_->layer()->opacity());
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
-    EXPECT_FALSE(resizer->snap_phantom_window_controller_.get());
+    EXPECT_FALSE(snap_phantom_window_controller());
 
     // The pointer is on the edge but not shared. The snap phantom window
     // controller should be non-NULL.
     resizer->Drag(CalculateDragPoint(*resizer, 799, 0), 0);
-    EXPECT_TRUE(resizer->snap_phantom_window_controller_.get());
+    EXPECT_TRUE(snap_phantom_window_controller());
 
     // Move the cursor across the edge. Now the snap phantom window controller
     // should be canceled.
     resizer->Drag(CalculateDragPoint(*resizer, 800, 0), 0);
-    EXPECT_FALSE(resizer->snap_phantom_window_controller_.get());
+    EXPECT_FALSE(snap_phantom_window_controller());
   }
 }
 
 // Verifies windows are correctly restacked when reordering multiple windows.
 TEST_F(WorkspaceWindowResizerTest, RestackAttached) {
   window_->SetBounds(gfx::Rect(   0, 0, 200, 300));
   window2_->SetBounds(gfx::Rect(200, 0, 100, 200));
   window3_->SetBounds(gfx::Rect(300, 0, 100, 100));
 
   {
@@ skipping 26 matching lines @@
 }
 
 // Makes sure we don't allow dragging below the work area.
 TEST_F(WorkspaceWindowResizerTest, DontDragOffBottom) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 10, 0));
 
   ASSERT_EQ(1, Shell::GetScreen()->GetNumDisplays());
 
   window_->SetBounds(gfx::Rect(100, 200, 300, 400));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, 600), 0);
   int expected_y =
       kRootHeight - WorkspaceWindowResizer::kMinOnscreenHeight - 10;
   EXPECT_EQ("100," + base::IntToString(expected_y) + " 300x400",
             window_->bounds().ToString());
 }
 
 // Makes sure we don't allow dragging on the work area with multidisplay.
 TEST_F(WorkspaceWindowResizerTest, DontDragOffBottomWithMultiDisplay) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("800x600,800x600");
   ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
 
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 10, 0));
 
   // Positions the secondary display at the bottom the primary display.
   Shell::GetInstance()->display_manager()->SetLayoutForCurrentDisplays(
       ash::DisplayLayout(ash::DisplayLayout::BOTTOM, 0));
 
   {
     window_->SetBounds(gfx::Rect(100, 200, 300, 20));
     DCHECK_LT(window_->bounds().height(),
               WorkspaceWindowResizer::kMinOnscreenHeight);
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 400), 0);
     int expected_y = kRootHeight - window_->bounds().height() - 10;
     // When the mouse cursor is in the primary display, the window cannot move
     // on non-work area but can get all the way towards the bottom,
     // restricted only by the window height.
     EXPECT_EQ("100," + base::IntToString(expected_y) + " 300x20",
               window_->bounds().ToString());
+    // Revert the drag in order to not remember the restore bounds.
+    resizer->RevertDrag();
   }
 
+  Shell::GetInstance()->SetDisplayWorkAreaInsets(
+      Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 10, 0));
   {
     window_->SetBounds(gfx::Rect(100, 200, 300, 400));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 400), 0);
     int expected_y =
         kRootHeight - WorkspaceWindowResizer::kMinOnscreenHeight - 10;
     // When the mouse cursor is in the primary display, the window cannot move
     // on non-work area with kMinOnscreenHeight margin.
     EXPECT_EQ("100," + base::IntToString(expected_y) + " 300x400",
               window_->bounds().ToString());
+    resizer->CompleteDrag(0);
   }
 
   {
     window_->SetBounds(gfx::Rect(100, 200, 300, 400));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), window_->bounds().origin(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
-    resizer->Drag(CalculateDragPoint(*resizer, 0, 600), 0);
+    // Drag down avoiding getting stuck against the shelf on the bottom screen.
+    resizer->Drag(CalculateDragPoint(*resizer, 0, 500), 0);
     // The window can move to the secondary display beyond non-work area of
     // the primary display.
-    EXPECT_EQ("100,800 300x400", window_->bounds().ToString());
+    EXPECT_EQ("100,700 300x400", window_->bounds().ToString());
+    resizer->CompleteDrag(0);
   }
 }
 
 // Makes sure we don't allow dragging off the top of the work area.
 TEST_F(WorkspaceWindowResizerTest, DontDragOffTop) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(10, 0, 0, 0));
 
   window_->SetBounds(gfx::Rect(100, 200, 300, 400));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, -600), 0);
   EXPECT_EQ("100,10 300x400", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, ResizeBottomOutsideWorkArea) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 50, 0));
 
   window_->SetBounds(gfx::Rect(100, 200, 300, 380));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTTOP,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOP));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 8, 0), 0);
   EXPECT_EQ("100,200 300x380", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, ResizeWindowOutsideLeftWorkArea) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 50, 0));
   int left = ScreenAsh::GetDisplayWorkAreaBoundsInParent(window_.get()).x();
   int pixels_to_left_border = 50;
   int window_width = 300;
   int window_x = left - window_width + pixels_to_left_border;
   window_->SetBounds(gfx::Rect(window_x, 100, window_width, 380));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(pixels_to_left_border, 0), HTRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(pixels_to_left_border, 0), HTRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, -window_width, 0), 0);
   EXPECT_EQ(base::IntToString(window_x) + ",100 " +
             base::IntToString(kMinimumOnScreenArea - window_x) +
             "x380", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, ResizeWindowOutsideRightWorkArea) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 50, 0));
   int right = ScreenAsh::GetDisplayWorkAreaBoundsInParent(
       window_.get()).right();
   int pixels_to_right_border = 50;
   int window_width = 300;
   int window_x = right - pixels_to_right_border;
   window_->SetBounds(gfx::Rect(window_x, 100, window_width, 380));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(window_x, 0), HTLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(window_x, 0), HTLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, window_width, 0), 0);
   EXPECT_EQ(base::IntToString(right - kMinimumOnScreenArea) +
             ",100 " +
             base::IntToString(window_width - pixels_to_right_border +
                               kMinimumOnScreenArea) +
             "x380", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, ResizeWindowOutsideBottomWorkArea) {
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 50, 0));
   int bottom = ScreenAsh::GetDisplayWorkAreaBoundsInParent(
       window_.get()).bottom();
   int delta_to_bottom = 50;
   int height = 380;
   window_->SetBounds(gfx::Rect(100, bottom - delta_to_bottom, 300, height));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(0, bottom - delta_to_bottom), HTTOP,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(0, bottom - delta_to_bottom), HTTOP));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, bottom), 0);
   EXPECT_EQ("100," +
             base::IntToString(bottom - kMinimumOnScreenArea) +
             " 300x" +
             base::IntToString(height - (delta_to_bottom -
                                         kMinimumOnScreenArea)),
             window_->bounds().ToString());
 }
 
 // Verifies that 'outside' check of the resizer take into account the extended
 // desktop in case of repositions.
 TEST_F(WorkspaceWindowResizerTest, DragWindowOutsideRightToSecondaryDisplay) {
   // Only primary display.  Changes the window position to fit within the
   // display.
   Shell::GetInstance()->SetDisplayWorkAreaInsets(
       Shell::GetPrimaryRootWindow(), gfx::Insets(0, 0, 50, 0));
   int right = ScreenAsh::GetDisplayWorkAreaBoundsInParent(
       window_.get()).right();
   int pixels_to_right_border = 50;
   int window_width = 300;
   int window_x = right - pixels_to_right_border;
   window_->SetBounds(gfx::Rect(window_x, 100, window_width, 380));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(window_x, 0), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(window_x, 0), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, window_width, 0), 0);
   EXPECT_EQ(base::IntToString(right - kMinimumOnScreenArea) +
             ",100 " +
             base::IntToString(window_width) +
             "x380", window_->bounds().ToString());
 
   if (!SupportsMultipleDisplays())
     return;
 
@@ skipping 10 matching lines @@
             "x380", window_->bounds().ToString());
 }
 
 // Verifies snapping to edges works.
 TEST_F(WorkspaceWindowResizerTest, SnapToEdge) {
   Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager()->
       SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   window_->SetBounds(gfx::Rect(96, 112, 320, 160));
   // Click 50px to the right so that the mouse pointer does not leave the
   // workspace ensuring sticky behavior.
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
       window_.get(),
       window_->bounds().origin() + gfx::Vector2d(50, 0),
-      HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+      HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Move to an x-coordinate of 15, which should not snap.
   resizer->Drag(CalculateDragPoint(*resizer, 15 - 96, 0), 0);
   // An x-coordinate of 7 should snap.
   resizer->Drag(CalculateDragPoint(*resizer, 7 - 96, 0), 0);
   EXPECT_EQ("0,112 320x160", window_->bounds().ToString());
   // Move to -15, should still snap to 0.
   resizer->Drag(CalculateDragPoint(*resizer, -15 - 96, 0), 0);
   EXPECT_EQ("0,112 320x160", window_->bounds().ToString());
   // At -32 should move past snap points.
@@ skipping 44 matching lines @@
   resizer->Drag(
       CalculateDragPoint(*resizer, -33 - 96, 600 - 160 - 112 - 2 + 33), 0);
   EXPECT_EQ("-33,471 320x160", window_->bounds().ToString());
 
   // No need to test dragging < 0 as we force that to 0.
 }
 
 // Verifies a resize snap when dragging TOPLEFT.
 TEST_F(WorkspaceWindowResizerTest, SnapToWorkArea_TOPLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTTOPLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOPLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, -98, -199), 0);
   EXPECT_EQ("0,0 120x230", window_->bounds().ToString());
 }
 
 // Verifies a resize snap when dragging TOPRIGHT.
 TEST_F(WorkspaceWindowResizerTest, SnapToWorkArea_TOPRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTTOPRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOPRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(
       CalculateDragPoint(*resizer, work_area.right() - 120 - 1, -199), 0);
   EXPECT_EQ(100, window_->bounds().x());
   EXPECT_EQ(work_area.y(), window_->bounds().y());
   EXPECT_EQ(work_area.right() - 100, window_->bounds().width());
   EXPECT_EQ(230, window_->bounds().height());
 }
 
 // Verifies a resize snap when dragging BOTTOMRIGHT.
 TEST_F(WorkspaceWindowResizerTest, SnapToWorkArea_BOTTOMRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(
       CalculateDragPoint(*resizer, work_area.right() - 120 - 1,
                          work_area.bottom() - 220 - 2), 0);
   EXPECT_EQ(100, window_->bounds().x());
   EXPECT_EQ(200, window_->bounds().y());
   EXPECT_EQ(work_area.right() - 100, window_->bounds().width());
   EXPECT_EQ(work_area.bottom() - 200, window_->bounds().height());
 }
 
 // Verifies a resize snap when dragging BOTTOMLEFT.
 TEST_F(WorkspaceWindowResizerTest, SnapToWorkArea_BOTTOMLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(
       CalculateDragPoint(*resizer, -98, work_area.bottom() - 220 - 2), 0);
   EXPECT_EQ(0, window_->bounds().x());
   EXPECT_EQ(200, window_->bounds().y());
   EXPECT_EQ(120, window_->bounds().width());
   EXPECT_EQ(work_area.bottom() - 200, window_->bounds().height());
 }
 
 // Verifies sticking to edges works.
 TEST_F(WorkspaceWindowResizerTestSticky, StickToEdge) {
   Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager()->
       SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   window_->SetBounds(gfx::Rect(96, 112, 320, 160));
   // Click 50px to the right so that the mouse pointer does not leave the
   // workspace ensuring sticky behavior.
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
       window_.get(),
       window_->bounds().origin() + gfx::Vector2d(50, 0),
-      HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+      HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Move to an x-coordinate of 15, which should not stick.
   resizer->Drag(CalculateDragPoint(*resizer, 15 - 96, 0), 0);
   // Move to -15, should still stick to 0.
   resizer->Drag(CalculateDragPoint(*resizer, -15 - 96, 0), 0);
   EXPECT_EQ("0,112 320x160", window_->bounds().ToString());
   // At -100 should move past edge.
   resizer->Drag(CalculateDragPoint(*resizer, -100 - 96, 0), 0);
   EXPECT_EQ("-100,112 320x160", window_->bounds().ToString());
   resizer->Drag(CalculateDragPoint(*resizer, -101 - 96, 0), 0);
@@ skipping 18 matching lines @@
   EXPECT_EQ("96,539 320x160", window_->bounds().ToString());
 
   // No need to test dragging < 0 as we force that to 0.
 }
 
 // Verifies not sticking to edges when a mouse pointer is outside of work area.
 TEST_F(WorkspaceWindowResizerTestSticky, NoStickToEdgeWhenOutside) {
   Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager()->
       SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   window_->SetBounds(gfx::Rect(96, 112, 320, 160));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Move to an x-coordinate of 15, which should not stick.
   resizer->Drag(CalculateDragPoint(*resizer, 15 - 96, 0), 0);
   // Move to -15, should still stick to 0.
   resizer->Drag(CalculateDragPoint(*resizer, -15 - 96, 0), 0);
   EXPECT_EQ("-15,112 320x160", window_->bounds().ToString());
 }
 
 // Verifies a resize sticks when dragging TOPLEFT.
 TEST_F(WorkspaceWindowResizerTestSticky, StickToWorkArea_TOPLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTTOPLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOPLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, -15 - 100, -15 -200), 0);
   EXPECT_EQ("0,0 120x230", window_->bounds().ToString());
 }
 
 // Verifies a resize sticks when dragging TOPRIGHT.
 TEST_F(WorkspaceWindowResizerTestSticky, StickToWorkArea_TOPRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTTOPRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOPRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, work_area.right() - 100 + 20,
                                    -200 - 15), 0);
   EXPECT_EQ(100, window_->bounds().x());
   EXPECT_EQ(work_area.y(), window_->bounds().y());
   EXPECT_EQ(work_area.right() - 100, window_->bounds().width());
   EXPECT_EQ(230, window_->bounds().height());
 }
 
 // Verifies a resize snap when dragging BOTTOMRIGHT.
 TEST_F(WorkspaceWindowResizerTestSticky, StickToWorkArea_BOTTOMRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, work_area.right() - 100 - 20 + 15,
                                    work_area.bottom() - 200 - 30 + 15), 0);
   EXPECT_EQ(100, window_->bounds().x());
   EXPECT_EQ(200, window_->bounds().y());
   EXPECT_EQ(work_area.right() - 100, window_->bounds().width());
   EXPECT_EQ(work_area.bottom() - 200, window_->bounds().height());
 }
 
 // Verifies a resize snap when dragging BOTTOMLEFT.
 TEST_F(WorkspaceWindowResizerTestSticky, StickToWorkArea_BOTTOMLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   gfx::Rect work_area(ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                           window_.get()));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, -15 - 100,
                                    work_area.bottom() - 200 - 30 + 15), 0);
   EXPECT_EQ(0, window_->bounds().x());
   EXPECT_EQ(200, window_->bounds().y());
   EXPECT_EQ(120, window_->bounds().width());
   EXPECT_EQ(work_area.bottom() - 200, window_->bounds().height());
 }
 
 TEST_F(WorkspaceWindowResizerTest, CtrlDragResizeToExactPosition) {
   window_->SetBounds(gfx::Rect(96, 112, 320, 160));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMRIGHT));
   ASSERT_TRUE(resizer.get());
   // Resize the right bottom to add 10 in width, 12 in height.
   resizer->Drag(CalculateDragPoint(*resizer, 10, 12), ui::EF_CONTROL_DOWN);
   // Both bottom and right sides to resize to exact size requested.
   EXPECT_EQ("96,112 330x172", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, CtrlCompleteDragMoveToExactPosition) {
   window_->SetBounds(gfx::Rect(96, 112, 320, 160));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Ctrl + drag the window to new poistion by adding (10, 12) to its origin,
   // the window should move to the exact position.
   resizer->Drag(CalculateDragPoint(*resizer, 10, 12), 0);
   resizer->CompleteDrag(ui::EF_CONTROL_DOWN);
   EXPECT_EQ("106,124 320x160", window_->bounds().ToString());
 }
 
 // Verifies that a dragged window will restore to its pre-maximized size.
 TEST_F(WorkspaceWindowResizerTest, RestoreToPreMaximizeCoordinates) {
   window_->SetBounds(gfx::Rect(0, 0, 1000, 1000));
   wm::WindowState* window_state = wm::GetWindowState(window_.get());
   window_state->SetRestoreBoundsInScreen(gfx::Rect(96, 112, 320, 160));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Drag the window to new position by adding (10, 10) to original point,
   // the window should get restored.
   resizer->Drag(CalculateDragPoint(*resizer, 10, 10), 0);
   resizer->CompleteDrag(0);
   EXPECT_EQ("10,10 320x160", window_->bounds().ToString());
   // The restore rectangle should get cleared as well.
   EXPECT_FALSE(window_state->HasRestoreBounds());
 }
 
 // Verifies that a dragged window will restore to its pre-maximized size.
 TEST_F(WorkspaceWindowResizerTest, RevertResizeOperation) {
   const gfx::Rect initial_bounds(0, 0, 200, 400);
   window_->SetBounds(initial_bounds);
 
   wm::WindowState* window_state = wm::GetWindowState(window_.get());
   window_state->SetRestoreBoundsInScreen(gfx::Rect(96, 112, 320, 160));
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Drag the window to new poistion by adding (180, 16) to original point,
   // the window should get restored.
   resizer->Drag(CalculateDragPoint(*resizer, 180, 16), 0);
   resizer->RevertDrag();
   EXPECT_EQ(initial_bounds.ToString(), window_->bounds().ToString());
   EXPECT_EQ("96,112 320x160",
             window_state->GetRestoreBoundsInScreen().ToString());
 }
 
 // Check that only usable sizes get returned by the resizer.
 TEST_F(WorkspaceWindowResizerTest, MagneticallyAttach) {
   window_->SetBounds(gfx::Rect(10, 10, 20, 30));
   window2_->SetBounds(gfx::Rect(150, 160, 25, 20));
   window2_->Show();
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   // Move |window| one pixel to the left of |window2|. Should snap to right and
   // top.
   resizer->Drag(CalculateDragPoint(*resizer, 119, 145), 0);
   EXPECT_EQ("130,160 20x30", window_->bounds().ToString());
 
   // Move |window| one pixel to the right of |window2|. Should snap to left and
   // top.
   resizer->Drag(CalculateDragPoint(*resizer, 164, 145), 0);
   EXPECT_EQ("175,160 20x30", window_->bounds().ToString());
 
   // Move |window| one pixel above |window2|. Should snap to top and left.
   resizer->Drag(CalculateDragPoint(*resizer, 142, 119), 0);
   EXPECT_EQ("150,130 20x30", window_->bounds().ToString());
 
   // Move |window| one pixel above the bottom of |window2|. Should snap to
   // bottom and left.
   resizer->Drag(CalculateDragPoint(*resizer, 142, 169), 0);
   EXPECT_EQ("150,180 20x30", window_->bounds().ToString());
 }
 
 // The following variants verify magnetic snapping during resize when dragging a
 // particular edge.
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_TOP) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->SetBounds(gfx::Rect(99, 179, 10, 20));
   window2_->Show();
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-    window_.get(), gfx::Point(), HTTOP,
-    aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTTOP));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
   EXPECT_EQ("100,199 20x31", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_TOPLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->SetBounds(gfx::Rect(99, 179, 10, 20));
   window2_->Show();
 
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTTOPLEFT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTTOPLEFT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("99,199 21x31", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 
   {
     window2_->SetBounds(gfx::Rect(88, 201, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTTOPLEFT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTTOPLEFT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("98,201 22x29", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_TOPRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->Show();
 
   {
     window2_->SetBounds(gfx::Rect(111, 179, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTTOPRIGHT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTTOPRIGHT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("100,199 21x31", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 
   {
     window2_->SetBounds(gfx::Rect(121, 199, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTTOPRIGHT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTTOPRIGHT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("100,199 21x31", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_RIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->SetBounds(gfx::Rect(121, 199, 10, 20));
   window2_->Show();
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTRIGHT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
   EXPECT_EQ("100,200 21x30", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_BOTTOMRIGHT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->Show();
 
   {
     window2_->SetBounds(gfx::Rect(122, 212, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTBOTTOMRIGHT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("100,200 22x32", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 
   {
     window2_->SetBounds(gfx::Rect(111, 233, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTBOTTOMRIGHT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("100,200 21x33", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_BOTTOM) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->SetBounds(gfx::Rect(111, 233, 10, 20));
   window2_->Show();
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTBOTTOM,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOM));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
   EXPECT_EQ("100,200 20x33", window_->bounds().ToString());
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_BOTTOMLEFT) {
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->Show();
 
   {
     window2_->SetBounds(gfx::Rect(99, 231, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTBOTTOMLEFT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTBOTTOMLEFT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("99,200 21x31", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 
   {
     window2_->SetBounds(gfx::Rect(89, 209, 10, 20));
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTBOTTOMLEFT,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTBOTTOMLEFT));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
     EXPECT_EQ("99,200 21x29", window_->bounds().ToString());
     resizer->RevertDrag();
   }
 }
 
 TEST_F(WorkspaceWindowResizerTest, MagneticallyResize_LEFT) {
   window2_->SetBounds(gfx::Rect(89, 209, 10, 20));
   window_->SetBounds(gfx::Rect(100, 200, 20, 30));
   window2_->Show();
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTLEFT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTLEFT));
   ASSERT_TRUE(resizer.get());
   resizer->Drag(CalculateDragPoint(*resizer, 0, 0), 0);
   EXPECT_EQ("99,200 21x30", window_->bounds().ToString());
 }
 
 // Test that the user user moved window flag is getting properly set.
-TEST_F(WorkspaceWindowResizerTest, CheckUserWindowMangedFlags) {
+TEST_F(WorkspaceWindowResizerTest, CheckUserWindowManagedFlags) {
   window_->SetBounds(gfx::Rect( 0,  50, 400, 200));
 
   std::vector<aura::Window*> no_attached_windows;
   // Check that an abort doesn't change anything.
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, no_attached_windows));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     // Move it 100 to the bottom.
     resizer->Drag(CalculateDragPoint(*resizer, 0, 100), 0);
     EXPECT_EQ("0,150 400x200", window_->bounds().ToString());
     resizer->RevertDrag();
 
     EXPECT_FALSE(wm::GetWindowState(window_.get())->bounds_changed_by_user());
   }
 
   // Check that a completed move / size does change the user coordinates.
   {
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, no_attached_windows));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     // Move it 100 to the bottom.
     resizer->Drag(CalculateDragPoint(*resizer, 0, 100), 0);
     EXPECT_EQ("0,150 400x200", window_->bounds().ToString());
     resizer->CompleteDrag(0);
     EXPECT_TRUE(wm::GetWindowState(window_.get())->bounds_changed_by_user());
   }
 }
 
 // Test that a window with a specified max size doesn't exceed it when dragged.
 TEST_F(WorkspaceWindowResizerTest, TestMaxSizeEnforced) {
   window_->SetBounds(gfx::Rect(0, 0, 400, 300));
   delegate_.set_max_size(gfx::Size(401, 301));
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMRIGHT));
   resizer->Drag(CalculateDragPoint(*resizer, 2, 2), 0);
   EXPECT_EQ(401, window_->bounds().width());
   EXPECT_EQ(301, window_->bounds().height());
 }
 
 // Test that a window with a specified max width doesn't restrict its height.
 TEST_F(WorkspaceWindowResizerTest, TestPartialMaxSizeEnforced) {
   window_->SetBounds(gfx::Rect(0, 0, 400, 300));
   delegate_.set_max_size(gfx::Size(401, 0));
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(), HTBOTTOMRIGHT,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTBOTTOMRIGHT));
   resizer->Drag(CalculateDragPoint(*resizer, 2, 2), 0);
   EXPECT_EQ(401, window_->bounds().width());
   EXPECT_EQ(302, window_->bounds().height());
 }
 
 // Test that a window with a specified max size can't be snapped.
 TEST_F(WorkspaceWindowResizerTest, PhantomSnapMaxSize) {
   {
     // With max size not set we get a phantom window controller for dragging off
     // the right hand side.
-    window_->SetBounds(gfx::Rect(0, 0, 300, 200));
+    // Make the window wider than maximum docked width.
+    window_->SetBounds(gfx::Rect(0, 0, 400, 200));
 
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
-    EXPECT_FALSE(resizer->snap_phantom_window_controller_.get());
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
+    EXPECT_FALSE(snap_phantom_window_controller());
     resizer->Drag(CalculateDragPoint(*resizer, 801, 0), 0);
-    EXPECT_TRUE(resizer->snap_phantom_window_controller_.get());
+    EXPECT_TRUE(snap_phantom_window_controller());
+    resizer->RevertDrag();
   }
   {
-    // With max size defined, we get no phantom window.
-    window_->SetBounds(gfx::Rect(0, 0, 300, 200));
-    delegate_.set_max_size(gfx::Size(300, 200));
+    // With max size defined, we get no phantom window for snapping but we still
+    // get a phantom window (docking guide).
+    window_->SetBounds(gfx::Rect(0, 0, 400, 200));
+    delegate_.set_max_size(gfx::Size(400, 200));
 
-    scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-        window_.get(), gfx::Point(), HTCAPTION,
-        aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
     resizer->Drag(CalculateDragPoint(*resizer, 801, 0), 0);
-    EXPECT_FALSE(resizer->snap_phantom_window_controller_.get());
+    if (switches::UseDockedWindows())
+      EXPECT_TRUE(snap_phantom_window_controller());
+    else
+      EXPECT_FALSE(snap_phantom_window_controller());
+    resizer->RevertDrag();
+  }
+  {
+    // With max size defined, we get no phantom window for snapping.
+    window_->SetBounds(gfx::Rect(0, 0, 400, 200));
+    delegate_.set_max_size(gfx::Size(400, 200));
+    // With min size defined, we get no phantom window for docking.
+    delegate_.set_min_size(gfx::Size(400, 200));
+
+    scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+        window_.get(), gfx::Point(), HTCAPTION));
+    resizer->Drag(CalculateDragPoint(*resizer, 801, 0), 0);
+    EXPECT_FALSE(snap_phantom_window_controller());
+    resizer->RevertDrag();
   }
 }
 
 TEST_F(WorkspaceWindowResizerTest, DontRewardRightmostWindowForOverflows) {
   UpdateDisplay("600x800");
   aura::Window* root = Shell::GetPrimaryRootWindow();
   Shell::GetInstance()->SetDisplayWorkAreaInsets(root, gfx::Insets());
 
   // Four 100x100 windows flush against eachother, starting at 100,100.
   window_->SetBounds(gfx::Rect( 100, 100, 100, 100));
@@ skipping 368 matching lines @@
 TEST_F(WorkspaceWindowResizerTest, PhantomWindowShow) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("500x400,500x400");
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              Shell::GetScreen()->GetPrimaryDisplay());
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
 
-  scoped_ptr<WorkspaceWindowResizer> resizer(WorkspaceWindowResizer::Create(
-      window_.get(), gfx::Point(0,0), HTCAPTION,
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE, empty_windows()));
+  scoped_ptr<WindowResizer> resizer(CreateResizerForTest(
+      window_.get(), gfx::Point(), HTCAPTION));
   ASSERT_TRUE(resizer.get());
-  EXPECT_FALSE(resizer->snap_phantom_window_controller_.get());
+  EXPECT_FALSE(snap_phantom_window_controller());
 
   // The pointer is on the edge but not shared. The snap phantom window
   // controller should be non-NULL.
   resizer->Drag(CalculateDragPoint(*resizer, -1, 0), 0);
-  EXPECT_TRUE(resizer->snap_phantom_window_controller_.get());
-  PhantomWindowController* phantom_controller(
-      resizer->snap_phantom_window_controller_.get());
+  EXPECT_TRUE(snap_phantom_window_controller());
+  PhantomWindowController* phantom_controller(snap_phantom_window_controller());
 
   // phantom widget only in the left screen.
   phantom_controller->Show(gfx::Rect(100, 100, 50, 60));
   EXPECT_TRUE(phantom_controller->phantom_widget_);
   EXPECT_FALSE(phantom_controller->phantom_widget_start_);
   EXPECT_EQ(
       root_windows[0],
       phantom_controller->phantom_widget_->GetNativeWindow()->GetRootWindow());
 
   // Move phantom widget into the right screen. Test that 2 widgets got created.
@@ skipping 68 matching lines @@
   RunAnimationTillComplete(phantom_controller->animation_.get());
 
   // Hide phantom controller. Both widgets should close.
   phantom_controller->Hide();
   EXPECT_FALSE(phantom_controller->phantom_widget_);
   EXPECT_FALSE(phantom_controller->phantom_widget_start_);
 }
 
 }  // namespace internal
 }  // namespace ash