Rename constants files in webrtc/{media,p2p}

webrtc/p2p/base/p2pconstants.h

Index: webrtc/p2p/base/p2pconstants.h
diff --git a/webrtc/p2p/base/constants.h b/webrtc/p2p/base/p2pconstants.h
similarity index 93%
rename from webrtc/p2p/base/constants.h
rename to webrtc/p2p/base/p2pconstants.h
index c3e1b781dc017c382f2fd49344708b462caf813a..a36cd889d0f1fcd4a85202858e5e3a7cdd15c2b6 100644
--- a/webrtc/p2p/base/constants.h
+++ b/webrtc/p2p/base/p2pconstants.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_P2P_BASE_CONSTANTS_H_
-#define WEBRTC_P2P_BASE_CONSTANTS_H_
+#ifndef WEBRTC_P2P_BASE_P2PCONSTANTS_H_
+#define WEBRTC_P2P_BASE_P2PCONSTANTS_H_
 
 #include <string>
 
@@ -50,4 +50,4 @@ extern const char CONNECTIONROLE_HOLDCONN_STR[];
 
 }  // namespace cricket
 
-#endif  // WEBRTC_P2P_BASE_CONSTANTS_H_
+#endif  // WEBRTC_P2P_BASE_P2PCONSTANTS_H_