Adds EngineGeolocationFeature for Blimp Geolocation project.

blimp/engine/app/blimp_content_browser_client.cc

Index: blimp/engine/app/blimp_content_browser_client.cc
diff --git a/blimp/engine/app/blimp_content_browser_client.cc b/blimp/engine/app/blimp_content_browser_client.cc
index 90ea2f52e4c78637305c63ea9346ec75d5085f3b..30c8c14e5a8893c86f204760dd40d7e63b11f0ba 100644
--- a/blimp/engine/app/blimp_content_browser_client.cc
+++ b/blimp/engine/app/blimp_content_browser_client.cc
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/memory/weak_ptr.h"
 #include "blimp/engine/app/blimp_content_browser_client.h"
 #include "blimp/engine/app/blimp_browser_main_parts.h"
 #include "blimp/engine/app/settings_manager.h"
 #include "blimp/engine/feature/geolocation/blimp_location_provider.h"
+#include "blimp/engine/feature/geolocation/engine_geolocation_feature.h"
 #include "blimp/engine/mojo/blob_channel_service.h"
+#include "blimp/engine/session/blimp_engine_session.h"
 #include "content/public/browser/geolocation_delegate.h"
 #include "services/shell/public/cpp/interface_registry.h"
 
@@ -17,16 +20,23 @@ namespace {
 // A provider of services needed by Geolocation.
 class BlimpGeolocationDelegate : public content::GeolocationDelegate {
  public:
-  BlimpGeolocationDelegate() = default;
+  explicit BlimpGeolocationDelegate(
+      base::WeakPtr<BlimpLocationProvider::Delegate> feature_delegate) {
+    feature_delegate_ = feature_delegate;
+  }
 
   bool UseNetworkLocationProviders() final { return false; }
 
   std::unique_ptr<content::LocationProvider> OverrideSystemLocationProvider()
       final {
-    return base::WrapUnique(new BlimpLocationProvider());
+    BlimpLocationProvider* location_provider = new BlimpLocationProvider();
+    location_provider->SetDelegate(feature_delegate_);
+    return base::WrapUnique(location_provider);
   }
 
  private:
+  base::WeakPtr<BlimpLocationProvider::Delegate> feature_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(BlimpGeolocationDelegate);
 };
 
@@ -62,7 +72,12 @@ BlimpBrowserContext* BlimpContentBrowserClient::GetBrowserContext() {
 
 content::GeolocationDelegate*
 BlimpContentBrowserClient::CreateGeolocationDelegate() {
-  return new BlimpGeolocationDelegate();
+  EngineGeolocationFeature* geolocation_feature = blimp_browser_main_parts()
+                                                      ->GetBlimpEngineSession()
+                                                      ->GetGeolocationFeature();
+  BlimpGeolocationDelegate* delegate =
+      new BlimpGeolocationDelegate(geolocation_feature->GetWeakPtr());
+  return delegate;
 }
 
 void BlimpContentBrowserClient::ExposeInterfacesToRenderer(