[DevTools] Show blocked requests in Network panel.

Source/devtools/front_end/network/NetworkDataGridNode.js

Index: Source/devtools/front_end/network/NetworkDataGridNode.js
diff --git a/Source/devtools/front_end/network/NetworkDataGridNode.js b/Source/devtools/front_end/network/NetworkDataGridNode.js
index d8ad7d13c2465650ad9d44614255ad07f3fa0492..06447db86695f2020840d0920e12a992cfb81220 100644
--- a/Source/devtools/front_end/network/NetworkDataGridNode.js
+++ b/Source/devtools/front_end/network/NetworkDataGridNode.js
@@ -260,7 +260,7 @@ WebInspector.NetworkDataGridNode.prototype = {
     {
         cell.classList.toggle("network-dim-cell", !this._isFailed() && (this._request.cached() || !this._request.statusCode));
 
-        if (this._request.failed && !this._request.canceled && !this._request.blocked) {
+        if (this._request.failed && !this._request.canceled && !this._request.wasBlocked()) {
             var failText = WebInspector.UIString("(failed)");
             if (this._request.localizedFailDescription) {
                 cell.createTextChild(failText);
@@ -278,8 +278,26 @@ WebInspector.NetworkDataGridNode.prototype = {
             cell.setTextAndTitle(WebInspector.UIString("(data)"));
         } else if (this._request.canceled) {
             cell.setTextAndTitle(WebInspector.UIString("(canceled)"));
-        } else if (this._request.blocked) {
-            cell.setTextAndTitle(WebInspector.UIString("(blocked)"));
+        } else if (this._request.wasBlocked()) {
+            var reason = WebInspector.UIString("other");
+            switch (this._request.blockedReason()) {
+            case NetworkAgent.BlockedReason.Csp:
+                reason = WebInspector.UIString("csp");
+                break;
+            case NetworkAgent.BlockedReason.MixedContent:
+                reason = WebInspector.UIString("mixed-content");
+                break;
+            case NetworkAgent.BlockedReason.Origin:
+                reason = WebInspector.UIString("origin");
+                break;
+            case NetworkAgent.BlockedReason.Inspector:
+                reason = WebInspector.UIString("devtools");
+                break;
+            case NetworkAgent.BlockedReason.Other:
+                reason = WebInspector.UIString("other");
+                break;
+            }
+            cell.setTextAndTitle(WebInspector.UIString("(blocked:%s)", reason));
         } else if (this._request.finished) {
             cell.setTextAndTitle(WebInspector.UIString("Finished"));
         } else {