Check media permissions (mic/camera) before exposing local addresses to WebRTC.

content/renderer/p2p/port_allocator.h

Index: content/renderer/p2p/port_allocator.h
diff --git a/content/renderer/p2p/port_allocator.h b/content/renderer/p2p/port_allocator.h
index a789e7a93cc6384d14988deea084e0ca0c6f2f2d..28502f0ff152f3f0ddbc714dce7a20e232ee20f3 100644
--- a/content/renderer/p2p/port_allocator.h
+++ b/content/renderer/p2p/port_allocator.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_RENDERER_P2P_PORT_ALLOCATOR_H_
 #define CONTENT_RENDERER_P2P_PORT_ALLOCATOR_H_
 
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
 #include "third_party/webrtc/p2p/client/basicportallocator.h"
 #include "url/gurl.h"
 
@@ -44,11 +46,13 @@ class P2PPortAllocator : public cricket::BasicPortAllocator {
     bool enable_multiple_routes = true;
   };
 
-  P2PPortAllocator(P2PSocketDispatcher* socket_dispatcher,
-                   rtc::NetworkManager* network_manager,
-                   rtc::PacketSocketFactory* socket_factory,
-                   const Config& config,
-                   const GURL& origin);
+  P2PPortAllocator(
+      const scoped_refptr<P2PSocketDispatcher>& socket_dispatcher,
+      scoped_ptr<rtc::NetworkManager> network_manager,
+      rtc::PacketSocketFactory* socket_factory,
+      const Config& config,
+      const GURL& origin,
+      const scoped_refptr<base::SingleThreadTaskRunner> task_runner);
   ~P2PPortAllocator() override;
 
   cricket::PortAllocatorSession* CreateSessionInternal(
@@ -59,11 +63,16 @@ class P2PPortAllocator : public cricket::BasicPortAllocator {
 
  private:
   friend class P2PPortAllocatorSession;
-
-  P2PSocketDispatcher* socket_dispatcher_;
+  scoped_ptr<rtc::NetworkManager> network_manager_;
+  scoped_refptr<P2PSocketDispatcher> socket_dispatcher_;
   Config config_;
   GURL origin_;
 
+  // This is the thread |network_manager_| is associated with and must be used
+  // to delete |network_manager_|.
+  const scoped_refptr<base::SingleThreadTaskRunner>
+      network_manager_task_runner_;
+
   DISALLOW_COPY_AND_ASSIGN(P2PPortAllocator);
 };