Disable PDFBrowserTest.Action on official MacOSX bot.

chrome/browser/ui/pdf/pdf_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/hash.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 350 matching lines @@
       content::WaitForLoadStop(
           browser()->tab_strip_model()->GetActiveWebContents());
     }
   }
 }
 
 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(
       browser()->tab_strip_model()->GetActiveWebContents(),
       "document.getElementsByName('plugin')[0].fitToHeight();"));
 
   std::string zoom1, zoom2;
   ASSERT_TRUE(content::ExecuteScriptAndExtractString(
       browser()->tab_strip_model()->GetActiveWebContents(),
       "window.domAutomationController.send("
@@ skipping 28 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       "reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success",
             browser()->tab_strip_model()->GetActiveWebContents()->
                 GetURL().query());
 }
 
 }  // namespace