[CacheStorage] Entry deletion and cache refresh in Inspector.

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 1731 matching lines @@
             {
                 "id": "CacheId",
                 "type": "string",
                 "description": "Unique identifier of the Cache object."
             },
             {
                 "id": "DataEntry",
                 "type": "object",
                 "description": "Data entry.",
                 "properties": [
-                    { "name": "request", "type": "string", "description": "JSON-stringified request object." },
-                    { "name": "response", "type": "string", "description": "JSON-stringified response object." }
+                    { "name": "request", "type": "string", "description": "Request url spec." },
+                    { "name": "response", "type": "string", "description": "Response stataus text." }
                 ]
             },
             {
                 "id": "Cache",
                 "type": "object",
                 "description": "Cache identifier.",
                 "properties": [
                     { "name": "cacheId", "$ref": "CacheId", "description": "An opaque unique id of the cache." },
                     { "name": "securityOrigin", "type": "string", "description": "Security origin of the cache." },
                     { "name": "cacheName", "type": "string", "description": "The name of the cache." }
@@ skipping 26 matching lines @@
                 ],
                 "description": "Requests data from cache."
             },
             {
                 "name": "deleteCache",
                 "async": true,
                 "parameters": [
                     { "name": "cacheId", "$ref": "CacheId", "description": "Id of cache for deletion." }
                 ],
                 "description": "Deletes a cache."
+            },
+            {
+                "name": "deleteEntry",
+                "async": true,
+                "parameters": [
+                    { "name": "cacheId", "$ref": "CacheId", "description": "Id of cache where the entry will be deleted." },
+                    { "name": "request", "type": "string", "description": "URL spec of the request." }
+                ],
+                "description": "Deletes a cache entry."
             }
         ]
     },
     {
         "domain": "DOMStorage",
         "hidden": true,
         "description": "Query and modify DOM storage.",
         "types": [
             {
                 "id": "StorageId",
@@ skipping 3155 matching lines @@
                 ],
                 "returns": [
                     { "name": "accessibilityNode", "$ref": "AXNode", "description": "The <code>Accessibility.AXNode</code> for this DOM node, if it exists.", "optional": true }
                 ],
                 "description": "Fetches the accessibility node for this DOM node, if it exists.",
                 "hidden": true
             }
         ]
     }]
 }