Setting max TTL for upstream GCM messages to 1 day to match server side

components/gcm_driver/gcm_client.cc

Index: components/gcm_driver/gcm_client.cc
diff --git a/components/gcm_driver/gcm_client.cc b/components/gcm_driver/gcm_client.cc
index a0282802b32730351194bff76af8580e57b40eb1..76dc0f67334bf0ee5ed82ac5dd40a339a8aeea0c 100644
--- a/components/gcm_driver/gcm_client.cc
+++ b/components/gcm_driver/gcm_client.cc
@@ -14,6 +14,9 @@ GCMClient::ChromeBuildInfo::ChromeBuildInfo()
 GCMClient::ChromeBuildInfo::~ChromeBuildInfo() {
 }
 
+// static
+const int GCMClient::OutgoingMessage::kMaximumTTL = 24 * 60 * 60;  // 1 day.
+
 GCMClient::OutgoingMessage::OutgoingMessage()
     : time_to_live(kMaximumTTL) {
 }