Disable TouchpadPinchOverOOPIF tests on Windows

SitePerProcessHitTestBrowserTest.TouchpadPinchOverOOPIF is being
reported as flaky on Windows.

Bug: chromium:868308, chromium:833380
TBR: kenrb@chromium.org
Change-Id: I83142d0d777bbe51773eaba0ab1d191a4af0cbc5
Reviewed-on: https://chromium-review.googlesource.com/1155165Reviewed-by: Kevin McNee <mcnee@chromium.org>
Commit-Queue: Peter Boström <pbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579096}

content/browser/renderer_host/render_widget_host_input_event_router.h

@@ -15,6 +15,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "build/build_config.h"
 #include "components/viz/common/surfaces/surface_id.h"
 #include "components/viz/host/hit_test/hit_test_query.h"
 #include "components/viz/service/surfaces/surface_hittest_delegate.h"
@@ -26,6 +27,13 @@
 
 struct FrameHostMsg_HittestData_Params;
 
+#if defined(OS_WIN)
+// Flaky on Windows. https://crbug.com/868308
+#define MAYBE_TouchpadPinchOverOOPIF DISABLED_TouchpadPinchOverOOPIF
+#else
+#define MAYBE_TouchpadPinchOverOOPIF TouchpadPinchOverOOPIF
+#endif  // OS_WIN
+
 namespace blink {
 class WebGestureEvent;
 class WebInputEvent;
@@ -331,7 +339,7 @@ class CONTENT_EXPORT RenderWidgetHostInputEventRouter
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessHitTestBrowserTest,
                            InputEventRouterTouchpadGestureTargetTest);
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessHitTestBrowserTest,
-                           TouchpadPinchOverOOPIF);
+                           MAYBE_TouchpadPinchOverOOPIF);
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessMouseWheelHitTestBrowserTest,
                            InputEventRouterWheelTargetTest);
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessMacBrowserTest,

content/browser/site_per_process_hit_test_browsertest.cc

@@ -3708,7 +3708,7 @@ IN_PROC_BROWSER_TEST_P(SitePerProcessHitTestBrowserTest,
 // wheel events to the child and causes the page scale factor to change for
 // the main frame (given that the child did not consume the wheel).
 IN_PROC_BROWSER_TEST_P(SitePerProcessHitTestBrowserTest,
-                       TouchpadPinchOverOOPIF) {
+                       MAYBE_TouchpadPinchOverOOPIF) {
   GURL main_url(embedded_test_server()->GetURL(
       "/frame_tree/page_with_positioned_frame.html"));
   EXPECT_TRUE(NavigateToURL(shell(), main_url));