Fixed "blocking io" from FixupPath on UI thread.

chromecast/browser/service/cast_service_simple.cc

Index: chromecast/browser/service/cast_service_simple.cc
diff --git a/chromecast/browser/service/cast_service_simple.cc b/chromecast/browser/service/cast_service_simple.cc
index 9c7ca6d3fc6b8182ced4d8826b70b78cb0e804d1..d5c13892d2ce105e1a7d075e634f19544f045f2d 100644
--- a/chromecast/browser/service/cast_service_simple.cc
+++ b/chromecast/browser/service/cast_service_simple.cc
@@ -5,6 +5,7 @@
 #include "chromecast/browser/service/cast_service_simple.h"
 
 #include "base/command_line.h"
+#include "base/files/file_util.h"
 #include "chromecast/browser/cast_content_window.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
@@ -26,7 +27,8 @@ GURL GetStartupURL() {
   if (url.is_valid() && url.has_scheme())
     return url;
 
-  return net::FilePathToFileURL(base::FilePath(args[0]));
+  return net::FilePathToFileURL(

[Peter Kasting, 2015/04/22 22:40:04]

Both this and shell_browser_main_parts.cc should be using the safer form I noted
in my last review comments, which correctly handles the case where an invalid
path is passed in.

+      base::MakeAbsoluteFilePath(base::FilePath(args[0])));
 }
 
 }  // namespace