Refactor to make BlimpLocationProvider accessible to content layer.

content/browser/geolocation/location_arbitrator_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/geolocation/location_arbitrator_impl.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 82 matching lines @@
 }
 
 void LocationArbitratorImpl::OnAccessTokenStoresLoaded(
     AccessTokenStore::AccessTokenMap access_token_map,
     net::URLRequestContextGetter* context_getter) {
   if (!is_running_ || !providers_.empty()) {
     // A second StartProviders() call may have arrived before the first
     // completed.
     return;
   }
-  // If there are no access tokens, boot strap it with the default server URL.
-  if (access_token_map.empty())
-    access_token_map[DefaultNetworkProviderURL()];
-  for (const auto& entry : access_token_map) {
-    RegisterProvider(NewNetworkLocationProvider(
-        GetAccessTokenStore(), context_getter, entry.first, entry.second));
+  LocationProvider* sole_provider =
+      GetContentClient()->browser()->GetSoleLocationProvider();
+  if (!sole_provider) {
+    // If there are no access tokens, boot strap it with the default server URL.
+    if (access_token_map.empty())
+      access_token_map[DefaultNetworkProviderURL()];
+    for (const auto& entry : access_token_map) {
+      RegisterProvider(NewNetworkLocationProvider(
+          GetAccessTokenStore(), context_getter, entry.first, entry.second));
+    }
+
+    LocationProvider* provider =
+        GetContentClient()->browser()->OverrideSystemLocationProvider();
+    if (!provider)
+      provider = NewSystemLocationProvider();
+    RegisterProvider(provider);
+  } else {
+    RegisterProvider(sole_provider);
   }
-
-  LocationProvider* provider =
-      GetContentClient()->browser()->OverrideSystemLocationProvider();
-  if (!provider)
-    provider = NewSystemLocationProvider();
-  RegisterProvider(provider);
   DoStartProviders();
 }
 
 void LocationArbitratorImpl::RegisterProvider(
     LocationProvider* provider) {
   if (!provider)
     return;
   provider->SetUpdateCallback(provider_update_callback_);
   if (is_permission_granted_)
     provider->OnPermissionGranted();
@@ skipping 72 matching lines @@
     }
   }
   return false;
 }
 
 bool LocationArbitratorImpl::HasPermissionBeenGranted() const {
   return is_permission_granted_;
 }
 
 }  // namespace content