DevTools: Support asynchronous loading of resources without cross origin checks through backend for…

Source/devtools/protocol.json

Index: Source/devtools/protocol.json
diff --git a/Source/devtools/protocol.json b/Source/devtools/protocol.json
index a3001af587e120c7b7cb981b9c3b7f55c32d9201..4cb530c5c4facd2355124144bc8bc2fb7ce6ebe8 100644
--- a/Source/devtools/protocol.json
+++ b/Source/devtools/protocol.json
@@ -1044,6 +1044,19 @@
                     { "name": "cacheDisabled", "type": "boolean", "description": "Cache disabled state." }
                 ],
                 "description": "Toggles ignoring cache for each request. If <code>true</code>, cache will not be used."
+            },  
+            {
+                "name": "loadResourceForFrontend",
+                "async": true,
+                "parameters": [
+                    { "name": "frameId", "$ref": "FrameId", "description": "Frame to load the resource from." },
+                    { "name": "url", "type": "string", "description": "URL of the resource to load." }
+                ],
+                "returns": [
+                    { "name": "content", "type": "string", "description": "Resource content." }
+                ],
+                "description": "Loads a resource in the context of a frame on the inspected page without cross origin checks.",
+                "hidden": true
             }
         ],
         "events": [