[DevTools] Cleanup after reversing emulation flow.

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 311 matching lines @@
                 "parameters": [
                     { "name": "width", "type": "integer", "description": "Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override." },
                     { "name": "height", "type": "integer", "description": "Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override." },
                     { "name": "deviceScaleFactor", "type": "number", "description": "Overriding device scale factor value. 0 disables the override." },
                     { "name": "mobile", "type": "boolean", "description": "Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text autosizing and more." },
                     { "name": "fitWindow", "type": "boolean", "description": "Whether a view that exceeds the available browser window area should be scaled down to fit." },
                     { "name": "scale", "type": "number", "optional": true, "description": "Scale to apply to resulting view image. Ignored in |fitWindow| mode." },
                     { "name": "offsetX", "type": "number", "optional": true, "description": "X offset to shift resulting view image by. Ignored in |fitWindow| mode." },
                     { "name": "offsetY", "type": "number", "optional": true, "description": "Y offset to shift resulting view image by. Ignored in |fitWindow| mode." }
                 ],
-                "handlers": ["browser", "renderer"],
+                "handlers": ["browser"],
                 "hidden": true
             },
             {
                 "name": "clearDeviceMetricsOverride",
                 "description": "Clears the overriden device metrics.",
-                "handlers": ["browser", "renderer"],
+                "handlers": ["browser"],
                 "hidden": true
             },
             {
                 "name": "resetScrollAndPageScaleFactor",
                 "description": "Requests that scroll offsets and page scale factor are reset to initial values.",
                 "hidden": true
             },
             {
                 "name": "setPageScaleFactor",
                 "description": "Sets a specified page scale factor.",
@@ skipping 4559 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
             }
         ]
     }]
 }