Disable PDFBrowserTest.Action on official MacOSX bot.

chrome/browser/ui/pdf/pdf_browsertest.cc

Index: chrome/browser/ui/pdf/pdf_browsertest.cc
diff --git a/chrome/browser/ui/pdf/pdf_browsertest.cc b/chrome/browser/ui/pdf/pdf_browsertest.cc
index 72a9a59ab6c22d1b61f1b75284528a05b99b5401..d7c5b7e5926c22d864a62bc0fca5725f6d70889e 100644
--- a/chrome/browser/ui/pdf/pdf_browsertest.cc
+++ b/chrome/browser/ui/pdf/pdf_browsertest.cc
@@ -368,7 +368,13 @@ INSTANTIATE_TEST_CASE_P(PDFTestFiles,
                         PDFBrowserTest,
                         testing::Range(0, kLoadingNumberOfParts));
 
-IN_PROC_BROWSER_TEST_F(PDFBrowserTest, Action) {
+#if defined(GOOGLE_CHROME_BUILD) && defined(OS_MACOSX)
+// http://crbug.com/315160
+#define MAYBE_Action DISABLED_Action
+#else
+#define MAYBE_Action Action
+#endif
+IN_PROC_BROWSER_TEST_F(PDFBrowserTest, MAYBE_Action) {
   ASSERT_NO_FATAL_FAILURE(Load());
 
   ASSERT_TRUE(content::ExecuteScript(