Remove stl_util's STLDeleteContainerPairSecondPointers from extensions.

chrome/browser/extensions/api/messaging/message_service.h

Index: chrome/browser/extensions/api/messaging/message_service.h
diff --git a/chrome/browser/extensions/api/messaging/message_service.h b/chrome/browser/extensions/api/messaging/message_service.h
index fa641f3be4af19e884d68bae9443c5256459e1e3..08e0c5970f6579d2c2b36e3851ab4907df689534 100644
--- a/chrome/browser/extensions/api/messaging/message_service.h
+++ b/chrome/browser/extensions/api/messaging/message_service.h
@@ -185,7 +185,7 @@ class MessageService : public BrowserContextKeyedAPI {
   struct OpenChannelParams;
 
   // A map of channel ID to its channel object.
-  typedef std::map<int, MessageChannel*> MessageChannelMap;
+  typedef std::map<int, std::unique_ptr<MessageChannel>> MessageChannelMap;

[Devlin, 2016/09/16 20:23:19]

nit: update to 'using' syntax since we're here?

[Avi (use Gerrit), 2016/09/16 20:41:45]

Done.

 
   typedef std::pair<int, Message> PendingMessage;
   typedef std::vector<PendingMessage> PendingMessagesQueue;
@@ -226,7 +226,8 @@ class MessageService : public BrowserContextKeyedAPI {
 
   // Have MessageService take ownership of |channel|, and remove any pending
   // channels with the same id.
-  void AddChannel(MessageChannel* channel, int receiver_port_id);
+  void AddChannel(std::unique_ptr<MessageChannel> channel,
+                  int receiver_port_id);
 
   // If the channel is being opened from an incognito tab the user must allow
   // the connection.