Disable flaky test.

Bug: 792907
Change-Id: I6ac7b0a6a68989b405a614c7df8e87a7f544fbc7
TBR: tapted
Reviewed-on: https://chromium-review.googlesource.com/816049
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Trent Apted <tapted@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#522678}

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

@@ -2226,7 +2226,8 @@ void SetTextInputType(RenderWidgetHostViewBase* view,
 
 // Ensure RenderWidgetHostViewMac claims hotkeys when AppKit spams the UI with
 // -performKeyEquivalent:, but only when the window is key.
-TEST_F(RenderWidgetHostViewMacTest, ForwardKeyEquivalentsOnlyIfKey) {
+// Flaky: https://crbug.com/792907
+TEST_F(RenderWidgetHostViewMacTest, DISABLED_ForwardKeyEquivalentsOnlyIfKey) {
   MockRenderWidgetHostDelegate delegate;
   TestBrowserContext browser_context;