Clean up WifiDataProvider(Manager)

content/browser/geolocation/wifi_data_provider.cc

Index: content/browser/geolocation/wifi_data_provider.cc
diff --git a/content/browser/geolocation/wifi_data_provider.cc b/content/browser/geolocation/wifi_data_provider.cc
index 497747db5bf5a039027df0595a6d85bc59efcd4c..cd739e7fb7cb7037df167d1291d9d172bcab0696 100644
--- a/content/browser/geolocation/wifi_data_provider.cc
+++ b/content/browser/geolocation/wifi_data_provider.cc
@@ -7,17 +7,13 @@
 namespace content {
 
 WifiDataProvider::WifiDataProvider()
-    : container_(NULL), client_loop_(base::MessageLoop::current()) {
+    : client_loop_(base::MessageLoop::current()) {
   DCHECK(client_loop_);
 }
 
 WifiDataProvider::~WifiDataProvider() {
 }
 
-void WifiDataProvider::SetContainer(WifiDataProviderManager* container) {
-  container_ = container;
-}
-
 void WifiDataProvider::AddCallback(WifiDataUpdateCallback* callback) {
   callbacks_.insert(callback);
 }
@@ -44,13 +40,13 @@ base::MessageLoop* WifiDataProvider::client_loop() const {
 }
 
 void WifiDataProvider::DoRunCallbacks() {
-  // It's possible that all the callbacks (and the container) went away
-  // whilst this task was pending. This is fine; the loop will be a no-op.
+  // It's possible that all the callbacks went away whilst this task was
+  // pending. This is fine; the loop will be a no-op.
   CallbackSet::const_iterator iter = callbacks_.begin();
   while (iter != callbacks_.end()) {
     WifiDataUpdateCallback* callback = *iter;
     ++iter;  // Advance iter before running, in case callback unregisters.
-    callback->Run(container_);
+    callback->Run();
   }
 }