Disable ExtensionMessageBubbleViewBrowserTest.TestClickingLearnMoreButton on Mac

chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc

Index: chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
diff --git a/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc b/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
index 41394caadd1a57a95ece77cef555187a966fffba..9ccf93f806deb216355d8df3b0155390c64ba77e 100644
--- a/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
+++ b/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
@@ -225,8 +225,14 @@ IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
   TestBubbleWithMultipleWindows();
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
-                       TestClickingLearnMoreButton) {
+// Crashes on Mac only.  http://crbug.com/702554
+#if defined(OS_MACOSX)
+#define MAYBE_TestClickingLearnMoreButton DISABLED_TestClickingLearnMoreButton
+#else
+#define MAYBE_TestClickingLearnMoreButton TestClickingLearnMoreButton
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
+                       MAYBE_TestClickingLearnMoreButton) {
   TestClickingLearnMoreButton();
 }