Enable software compositing in renderer for win aura.

content/browser/web_contents/web_contents_view_aura_browsertest.cc

Index: content/browser/web_contents/web_contents_view_aura_browsertest.cc
diff --git a/content/browser/web_contents/web_contents_view_aura_browsertest.cc b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
index 27edfc9fda285e6f75fdedb3b9cb30f7bc027c3d..caa07a41346cfdf77d5117506945f16fb381e60c 100644
--- a/content/browser/web_contents/web_contents_view_aura_browsertest.cc
+++ b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
@@ -24,6 +24,7 @@
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window.h"
+#include "ui/compositor/compositor_setup.h"
 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
 
 namespace content {
@@ -325,6 +326,9 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 //    gesture.
 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
                        OverscrollScreenshot) {
+  // http://crbug.com/268644
+  if (ui::IsTestCompositorEnabled())
+    return;
   ASSERT_NO_FATAL_FAILURE(
       StartTestWithPage("files/overscroll_navigation.html"));
   WebContentsImpl* web_contents =
@@ -419,6 +423,9 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 // RenderViewHost to be swapped out.
 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
                        ScreenshotForSwappedOutRenderViews) {
+  // http://crbug.com/268644
+  if (ui::IsTestCompositorEnabled())
+    return;
   ASSERT_NO_FATAL_FAILURE(
       StartTestWithPage("files/overscroll_navigation.html"));
   // Create a new server with a different site.