DevTools: NetworkRequest: convert connectionId to string

String is much more useful, it can be used as key for StringMap.

BUG=

Review URL: https://codereview.chromium.org/556363002

git-svn-id: svn://svn.chromium.org/blink/trunk@181763 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/network/HAREntry.js

@@ -58,8 +58,8 @@ WebInspector.HAREntry.prototype = {
             timings: this._buildTimings()
         };
 
-        if (this._request.connectionId)
-            entry.connection = String(this._request.connectionId);
+        if (this._request.connectionId !== "0")
+            entry.connection = this._request.connectionId;
         var page = this._request.target().networkLog.pageLoadForRequest(this._request);
         if (page)
             entry.pageref = "page_" + page.id;

third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js

@@ -199,7 +199,7 @@ WebInspector.NetworkDispatcher.prototype = {
         }
 
         networkRequest.connectionReused = response.connectionReused;
-        networkRequest.connectionId = response.connectionId;
+        networkRequest.connectionId = String(response.connectionId);
         if (response.remoteIPAddress)
             networkRequest.setRemoteAddress(response.remoteIPAddress, response.remotePort || -1);
 

third_party/WebKit/Source/devtools/front_end/sdk/NetworkRequest.js

@@ -68,6 +68,9 @@ WebInspector.NetworkRequest = function(target, requestId, url, documentURL, fram
     this._responseHeaderValues = {};
 
     this._remoteAddress = "";
+
+    /** @type {string} */
+    this.connectionId = "0";
 }
 
 WebInspector.NetworkRequest.Events = {