Geolocation: Extract GeolocationProvider::Delegate into GeolocationDelegate (no new code)

content/public/browser/geolocation_provider.h

Index: content/public/browser/geolocation_provider.h
diff --git a/content/public/browser/geolocation_provider.h b/content/public/browser/geolocation_provider.h
index bf484a0c814740fead567818cd849222b76b3dbf..0f247a1d2e8d17388814f2acd2ba4e14d1cb1270 100644
--- a/content/public/browser/geolocation_provider.h
+++ b/content/public/browser/geolocation_provider.h
@@ -11,9 +11,7 @@
 #include "content/common/content_export.h"
 
 namespace content {
-class AccessTokenStore;
 struct Geoposition;
-class LocationProvider;
 
 // This is the main API to the geolocation subsystem. The application will hold
 // a single instance of this class and can register multiple clients to be
@@ -28,29 +26,6 @@ class LocationProvider;
 // uses run on a separate Geolocation thread.
 class GeolocationProvider {
  public:
-  // An embedder of Geolocation may override these class' methods to provide
-  // specific functionality.
-  // TODO(mcasas): Extract this class into a file of its own.
-  class CONTENT_EXPORT Delegate {
-   public:
-    // Returns true if the location API should use network-based location
-    // approximation in addition to the system provider, if any.
-    virtual bool UseNetworkLocationProviders();
-
-    // Creates a new AccessTokenStore for geolocation. May return nullptr.
-    // TODO(mcasas): consider changing it return type to std::unique_ptr<> to
-    // clarify ownership, https://crbug.com/623114.
-    virtual AccessTokenStore* CreateAccessTokenStore();
-
-    // Allows an embedder to return its own LocationProvider implementation.
-    // Return nullptr to use the default one for the platform to be created.
-    // Caller takes ownership of the returned LocationProvider. FYI: Used by an
-    // external project; please don't remove. Contact Viatcheslav Ostapenko at
-    // sl.ostapenko@samsung.com for more information.
-    // TODO(mcasas): return std::unique_ptr<> instead, https://crbug.com/623132.
-    virtual LocationProvider* OverrideSystemLocationProvider();
-  };
-
   CONTENT_EXPORT static GeolocationProvider* GetInstance();
 
   typedef base::Callback<void(const Geoposition&)> LocationUpdateCallback;