[DevTools] Always send a copy of worker message through the page.

third_party/WebKit/Source/platform/v8_inspector/js_protocol.json

Index: third_party/WebKit/Source/platform/v8_inspector/js_protocol.json
diff --git a/third_party/WebKit/Source/platform/v8_inspector/js_protocol.json b/third_party/WebKit/Source/platform/v8_inspector/js_protocol.json
index 1a630c2308eeb8388c0999b91749142c1ec7c552..6bcd66431f7697a77d15a7b9cf1cefb26352d535 100644
--- a/third_party/WebKit/Source/platform/v8_inspector/js_protocol.json
+++ b/third_party/WebKit/Source/platform/v8_inspector/js_protocol.json
@@ -741,7 +741,7 @@
                 "type": "object",
                 "description": "Console message.",
                 "properties": [
-                    { "name": "source", "type": "string", "enum": ["xml", "javascript", "network", "console-api", "storage", "appcache", "rendering", "security", "other", "deprecation"], "description": "Message source." },
+                    { "name": "source", "type": "string", "enum": ["xml", "javascript", "network", "console-api", "storage", "appcache", "rendering", "security", "other", "deprecation", "worker"], "description": "Message source." },
                     { "name": "level", "type": "string", "enum": ["log", "warning", "error", "debug", "info"], "description": "Message severity." },
                     { "name": "text", "type": "string", "description": "Message text." },
                     { "name": "type", "type": "string", "optional": true, "enum": ["log", "dir", "dirxml", "table", "trace", "clear", "startGroup", "startGroupCollapsed", "endGroup", "assert", "profile", "profileEnd"], "description": "Console message type." },
@@ -754,7 +754,8 @@
                     { "name": "stack", "$ref": "Runtime.StackTrace", "optional": true, "description": "JavaScript stack trace for assertions and error messages." },
                     { "name": "networkRequestId", "type": "string", "optional": true, "description": "Identifier of the network request associated with this message." },
                     { "name": "timestamp", "$ref": "Timestamp", "description": "Timestamp, when this message was fired.", "hidden": true },
-                    { "name": "executionContextId", "$ref": "Runtime.ExecutionContextId", "optional": true, "description": "Identifier of the context where this message was created", "hidden": true }
+                    { "name": "executionContextId", "$ref": "Runtime.ExecutionContextId", "optional": true, "description": "Identifier of the context where this message was created", "hidden": true },
+                    { "name": "workerId", "type": "string", "optional": true, "description": "Identifier of the worker this message came from.", "hidden": true }
                 ]
             }
         ],