Renamed hostname to hostname_hash

Change-Id: Ifb0e6255745bf0e25919e53c5c463ad30de9a4bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2304964
Commit-Queue: Joe Downing <joedow@chromium.org>
Reviewed-by: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789957}

remoting/host/heartbeat_sender.cc

@@ -360,7 +360,7 @@ apis::v1::HeartbeatRequest HeartbeatSender::CreateHeartbeatRequest() {
   // a Linux OS.
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   if (is_googler_) {
-    heartbeat.set_hostname(base::MD5String(net::GetHostName()));
+    heartbeat.set_hostname_hash(base::MD5String(net::GetHostName()));
   }
 #endif
   return heartbeat;

remoting/host/heartbeat_sender_unittest.cc

@@ -77,9 +77,9 @@ void ValidateHeartbeat(const apis::v1::HeartbeatRequest& request,
   is_linux = true;
 #endif
   if (is_googler && is_linux) {
-    ASSERT_TRUE(request.has_hostname());
+    ASSERT_TRUE(request.has_hostname_hash());
   } else {
-    ASSERT_FALSE(request.has_hostname());
+    ASSERT_FALSE(request.has_hostname_hash());
   }
 }
 

remoting/proto/remoting/v1/directory_messages.proto

@@ -76,7 +76,7 @@ message HeartbeatRequest {
   optional bool is_initial_heartbeat = 11;
 
   // A hash of the local hostname of the machine.
-  optional string hostname = 12;
+  optional string hostname_hash = 12;
 }
 
 // Sent in response to a HeartbeatRequest.