Rename constants files in webrtc/{media,p2p}

webrtc/media/base/mediaconstants.h

Index: webrtc/media/base/mediaconstants.h
diff --git a/webrtc/media/base/constants.h b/webrtc/media/base/mediaconstants.h
similarity index 97%
rename from webrtc/media/base/constants.h
rename to webrtc/media/base/mediaconstants.h
index e55b2d097c2d36b0e28cc1873b338540cbe5fce6..94225def4b39c9dbd55b7cd69bd26a1867955025 100644
--- a/webrtc/media/base/constants.h
+++ b/webrtc/media/base/mediaconstants.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MEDIA_BASE_CONSTANTS_H_
-#define WEBRTC_MEDIA_BASE_CONSTANTS_H_
+#ifndef WEBRTC_MEDIA_BASE_MEDIACONSTANTS_H_
+#define WEBRTC_MEDIA_BASE_MEDIACONSTANTS_H_
 
 #include <string>
 
@@ -164,4 +164,4 @@ extern const int kDefaultVideoMaxHeight;
 extern const int kDefaultVideoMaxFramerate;
 }  // namespace cricket
 
-#endif  // WEBRTC_MEDIA_BASE_CONSTANTS_H_
+#endif  // WEBRTC_MEDIA_BASE_MEDIACONSTANTS_H_