aura-touch: Refactor some code so that both cros and win-aura can share some code.

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

Index: content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
index a2dd0b3507f277e9dd88126bf7fee709364d32c7..4f083772b0b5d174c0b963fb75403016c7cf10d8 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
@@ -147,10 +147,7 @@ TEST_F(RenderWidgetHostViewAuraTest, DestroyFullscreenOnBlur) {
   view_ = NULL;
 }
 
-#if !defined(OS_WIN)
-// Checks that touch-event state is maintained correctly. A lot of the
-// touch-event related functions are not implemented on Windows. So run this
-// test only in chromeos. http://crbug.com/157268
+// Checks that touch-event state is maintained correctly.
 TEST_F(RenderWidgetHostViewAuraTest, TouchEventState) {
   view_->InitAsChild(NULL);
   view_->Show();
@@ -224,6 +221,5 @@ TEST_F(RenderWidgetHostViewAuraTest, TouchEventState) {
   EXPECT_EQ(WebKit::WebInputEvent::TouchEnd, view_->touch_event_.type);
   EXPECT_EQ(0U, view_->touch_event_.touchesLength);
 }
-#endif // !defined(OS_WIN)
 
 }  // namespace content