Geolocation: move polling policy to its own file.

content/browser/geolocation/wifi_data_provider_chromeos.h

Index: content/browser/geolocation/wifi_data_provider_chromeos.h
diff --git a/content/browser/geolocation/wifi_data_provider_chromeos.h b/content/browser/geolocation/wifi_data_provider_chromeos.h
index 0118298a78d3795f2c0122bc6193018d6d03d264..546c8a79f8e058b73e45562931762b224e71e61c 100644
--- a/content/browser/geolocation/wifi_data_provider_chromeos.h
+++ b/content/browser/geolocation/wifi_data_provider_chromeos.h
@@ -6,7 +6,8 @@
 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
 
 #include "base/compiler_specific.h"
-#include "content/browser/geolocation/wifi_data_provider_common.h"
+#include "content/browser/geolocation/wifi_data_provider.h"
+#include "content/browser/geolocation/wifi_polling_policy.h"
 
 namespace content {
 
@@ -45,11 +46,8 @@ class CONTENT_EXPORT WifiDataProviderChromeOs
   // Get access point data from chromeos.
   bool GetAccessPointData(WifiData::AccessPointDataSet* data);
 
-  // Underlying OS wifi API. (UI thread)
-  scoped_ptr<WifiDataProviderCommon::WlanApiInterface> wlan_api_;
-
   // Controls the polling update interval. (client thread)
-  scoped_ptr<PollingPolicyInterface> polling_policy_;
+  scoped_ptr<WifiPollingPolicy> polling_policy_;
 
   // The latest wifi data. (client thread)
   WifiData wifi_data_;