Added ConfigurationPolicyProvider::RefreshPolicies.

chrome/browser/policy/file_based_policy_loader.cc

Index: chrome/browser/policy/file_based_policy_loader.cc
diff --git a/chrome/browser/policy/file_based_policy_loader.cc b/chrome/browser/policy/file_based_policy_loader.cc
index 343e320f6aa4f4baf44d0a77df3a2343c60b9146..9148d11f82c2de0c9eb6339e6e2fd6ac6f7cf886 100644
--- a/chrome/browser/policy/file_based_policy_loader.cc
+++ b/chrome/browser/policy/file_based_policy_loader.cc
@@ -61,7 +61,7 @@ class FileBasedPolicyWatcherDelegate : public FilePathWatcher::Delegate {
 void FileBasedPolicyLoader::OnFilePathChanged(
     const FilePath& path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  Reload(false);
+  Reload(default_callback(), false);
 }
 
 void FileBasedPolicyLoader::OnFilePathError(const FilePath& path) {
@@ -69,17 +69,19 @@ void FileBasedPolicyLoader::OnFilePathError(const FilePath& path) {
              << " failed.";
 }
 
-void FileBasedPolicyLoader::Reload(bool force) {
+void FileBasedPolicyLoader::Reload(const base::Closure& callback, bool force) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
-  if (!delegate())
+  if (!delegate()) {
+    PostUpdatePolicyTask(callback, NULL);
     return;
+  }
 
   // Check the directory time in order to see whether a reload is required.
   base::TimeDelta delay;
   base::Time now = base::Time::Now();
   if (!force && !IsSafeToReloadPolicy(now, &delay)) {
-    ScheduleReloadTask(delay);
+    ScheduleReloadTask(callback, delay);
     return;
   }
 
@@ -88,11 +90,11 @@ void FileBasedPolicyLoader::Reload(bool force) {
 
   // Check again in case the directory has changed while reading it.
   if (!force && !IsSafeToReloadPolicy(now, &delay)) {
-    ScheduleReloadTask(delay);
+    ScheduleReloadTask(callback, delay);
     return;
   }
 
-  PostUpdatePolicyTask(new_policy.release());
+  PostUpdatePolicyTask(callback, new_policy.release());
 
   ScheduleFallbackReloadTask();
 }
@@ -109,7 +111,7 @@ void FileBasedPolicyLoader::InitOnFileThread() {
   // There might have been changes to the directory in the time between
   // construction of the loader and initialization of the watcher. Call reload
   // to detect if that is the case.
-  Reload(false);
+  Reload(default_callback(), false);
 
   ScheduleFallbackReloadTask();
 }