Grant file access permissions for cached file paths to file browsers/handlers.

chrome/test/data/extensions/api_test/filebrowser_component/remote.js

Index: chrome/test/data/extensions/api_test/filebrowser_component/remote.js
diff --git a/chrome/test/data/extensions/api_test/filebrowser_component/remote.js b/chrome/test/data/extensions/api_test/filebrowser_component/remote.js
index 700000b75eae318ef3188f9e54216e44a017b201..321b9399f69b2445e61f8319d5cd6d5e2fcc1d32 100644
--- a/chrome/test/data/extensions/api_test/filebrowser_component/remote.js
+++ b/chrome/test/data/extensions/api_test/filebrowser_component/remote.js
@@ -74,8 +74,20 @@ TestRunner.prototype.errorCallback_ = function(error) {
   chrome.test.fail(msg);
 };
 
+function getDirFromLocationHref() {
+  var loc = window.location.href;
+  console.log("Opening tab " + loc);
+  if (loc.indexOf("#") == -1 ) {
+    console.log("No params in url, faling back to default.");
+    return "tmp";
+  }
+
+  loc = unescape(loc.substr(loc.indexOf("#") + 1));
+  return (loc[0] == '/') ? loc.substring(1) : loc;
+}
+
 function TestRunner() {
-  this.fileCreator_ = new TestFileCreator('tmp',
+  this.fileCreator_ = new TestFileCreator(getDirFromLocationHref(),
                                           false /* shouldRandomize */);
 }