Mac: Let browser_tests run in bundled mode for their whole lifetime.

chrome/test/plugin/pdf_browsertest.cc

Index: chrome/test/plugin/pdf_browsertest.cc
diff --git a/chrome/test/plugin/pdf_browsertest.cc b/chrome/test/plugin/pdf_browsertest.cc
index 424fa497d07a26d88611eb920a07b75425e0a995..1feb500e8843a93b6139fc81e4c3f74b06fe1de1 100644
--- a/chrome/test/plugin/pdf_browsertest.cc
+++ b/chrome/test/plugin/pdf_browsertest.cc
@@ -42,10 +42,7 @@ class PDFBrowserTest : public InProcessBrowserTest,
   virtual void SetUp() {
     FilePath pdf_path;
     PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf_path);
-#if !defined(OS_MACOSX)
-    // http://crbug.com/61258: renderer always crashes on Mac.
     have_plugin_ = file_util::PathExists(pdf_path);
-#endif
     InProcessBrowserTest::SetUp();
   }