Reenable synthesized mouse events on win aura

It appears that the native event is synthesized correctly now, so reenable this code path and tests.

R=ben@chromium.org
BUG=112222


Review URL: https://chromiumcodereview.appspot.com/12092051

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@180079 0039d316-1c4b-4281-b951-d872f2087c98

ui/aura/root_window.cc

@@ -1006,8 +1006,6 @@ void RootWindow::SynthesizeMouseMoveEvent() {
   if (!synthesize_mouse_move_)
     return;
   synthesize_mouse_move_ = false;
-#if !defined(OS_WIN)
-  // Temporarily disabled for windows. See crbug.com/112222.
   gfx::Point3F point(GetLastMouseLocationInRoot());
   float scale = ui::GetDeviceScaleFactor(layer());
   gfx::Transform transform;
@@ -1024,7 +1022,6 @@ void RootWindow::SynthesizeMouseMoveEvent() {
                        ui::EF_IS_SYNTHESIZED);
   event.set_system_location(Env::GetInstance()->last_mouse_location());
   OnHostMouseEvent(&event);
-#endif
 }
 
 }  // namespace aura

ui/aura/window_unittest.cc

@@ -1169,7 +1169,6 @@ TEST_F(WindowTest, RootWindowHostExit) {
   EXPECT_TRUE(d1.exited());
 }
 
-#if !defined(OS_WIN)
 // Verifies that the WindowDelegate receives MouseExit and MouseEnter events for
 // mouse transitions from window to window, even if the entered window sets
 // and releases capture.
@@ -1203,7 +1202,6 @@ TEST_F(WindowTest, MouseEnterExitWithClick) {
   EXPECT_FALSE(d2.exited());
 }
 
-// Temporarily disabled for windows. See crbug.com/112222.
 // Verifies that enter / exits are sent if windows appear and are deleted
 // under the current mouse position..
 TEST_F(WindowTest, MouseEnterExitWithDelete) {
@@ -1265,7 +1263,6 @@ TEST_F(WindowTest, MouseEnterExitWithHide) {
   RunAllPendingInMessageLoop();
   EXPECT_TRUE(d1.entered());
 }
-#endif
 
 // Creates a window with a delegate (w111) that can handle events at a lower
 // z-index than a window without a delegate (w12). w12 is sized to fill the
@@ -2017,9 +2014,6 @@ TEST_F(WindowTest, VisibilityClientIsVisible) {
   EXPECT_TRUE(window->layer()->visible());
 }
 
-#if !defined(OS_WIN)
-// Temporarily disabled for windows. See crbug.com/112222.
-
 // Tests mouse events on window change.
 TEST_F(WindowTest, MouseEventsOnWindowChange) {
   gfx::Size size = root_window()->GetHostSize();
@@ -2095,7 +2089,6 @@ TEST_F(WindowTest, MouseEventsOnWindowChange) {
   RunAllPendingInMessageLoop();
   EXPECT_EQ("1 1 0", d1.GetMouseMotionCountsAndReset());
 }
-#endif
 
 class StackingMadrigalLayoutManager : public LayoutManager {
  public: