Don't auto allow access to media devices unless a the security origin of the requester is the same …

content/browser/frame_host/frame_tree_node.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_H_
 #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 79 matching lines @@
   }
 
   void set_current_origin(const url::Origin& origin) {
     replication_state_.origin = origin;
   }
 
   void set_sandbox_flags(SandboxFlags sandbox_flags) {
     replication_state_.sandbox_flags = sandbox_flags;
   }
 
+  bool HasSameOrigin(const FrameTreeNode& node) const {
+    return replication_state_.origin.IsSameAs(node.replication_state_.origin);
+  }
+
   const FrameReplicationState& current_replication_state() const {
     return replication_state_;
   }
 
   void set_is_loading(bool is_loading) {
     is_loading_ = is_loading;
   }
   bool is_loading() const {
     return is_loading_;
   }
@@ skipping 54 matching lines @@
   // to the FrameTreeNode, it is better to ask it about the loading status than
   // RenderFrameHost or using a counter to balance the events out.
   bool is_loading_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTreeNode);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_H_