initial version of the headless download manager delegate

third_party/WebKit/Source/core/inspector/browser_protocol.json

Index: third_party/WebKit/Source/core/inspector/browser_protocol.json
diff --git a/third_party/WebKit/Source/core/inspector/browser_protocol.json b/third_party/WebKit/Source/core/inspector/browser_protocol.json
index 1fdc86b2b12450769bad98ef00475e7cad77c686..b4ee5ac1722dc61c66cecc8e9a4d53ea86ceabfb 100644
--- a/third_party/WebKit/Source/core/inspector/browser_protocol.json
+++ b/third_party/WebKit/Source/core/inspector/browser_protocol.json
@@ -4737,6 +4737,20 @@
                 "returns": [
                     { "name": "bounds", "$ref": "Bounds", "description": "Bounds information of the window. When window state is 'minimized', the restored window position and size are returned." }
                 ]
+            },
+            {
+                "name": "setDownloadBehavior",
+                "description": "Set the behavior when downloading a file (headless chrome only).",
+                "parameters": [
+                    { "name": "behavior", "type": "string", "enum": ["deny", "allow"], "description": "Whether to allow all or deny all download requests." }
+                ]
+            },
+            {
+                "name": "setDownloadDirectory",
+                "description": "Set the directory path where downloaded files will be saved (headless chrome only).",
+                "parameters": [
+                    { "name": "path", "type": "string", "description": "The default path to save downloaded files to." }
+                ]
             }
         ]
     }]