[DevTools] Remove handlers = browser from protocol definition.

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

 {
     "version": { "major": "1", "minor": "2" },
     "domains": [{
         "domain": "Inspector",
         "experimental": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "disable",
                 "description": "Disables inspector domain notifications.",
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "detached",
                 "description": "Fired when remote debugging connection is about to be terminated. Contains detach reason.",
                 "parameters": [
                     { "name": "reason", "type": "string", "description": "The reason why connection has been terminated." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "targetCrashed",
                 "description": "Fired when debugging target has crashed",
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Memory",
         "experimental": true,
         "types": [
             {
                 "id": "PressureLevel",
                 "type": "string",
                 "enum": ["moderate", "critical"],
                 "description": "Memory pressure level."
             }
         ],
         "commands": [
             {
                 "name": "getDOMCounters",
                 "returns": [
                     { "name": "documents", "type": "integer" },
                     { "name": "nodes", "type": "integer" },
                     { "name": "jsEventListeners", "type": "integer" }
                 ]
             },
             {
                 "name": "setPressureNotificationsSuppressed",
                 "description": "Enable/disable suppressing memory pressure notifications in all processes.",
                 "parameters": [
                     { "name": "suppressed", "type": "boolean", "description": "If true, memory pressure notifications will be suppressed."}
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "simulatePressureNotification",
                 "description": "Simulate a memory pressure notification in all processes.",
                 "parameters": [
                     { "name": "level", "$ref": "PressureLevel", "description": "Memory pressure level of the notification." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Page",
         "description": "Actions and events related to the inspected page belong to the page domain.",
         "dependencies": ["Debugger", "DOM"],
         "types": [
             {
                 "id": "ResourceType",
@@ skipping 128 matching lines @@
                     { "name": "pageY", "type": "number", "description": "Vertical offset relative to the document (CSS pixels)." },
                     { "name": "clientWidth", "type": "number", "description": "Width (CSS pixels), excludes scrollbar if present." },
                     { "name": "clientHeight", "type": "number", "description": "Height (CSS pixels), excludes scrollbar if present." },
                     { "name": "scale", "type": "number", "description": "Scale relative to the ideal viewport (size at width=device-width)." }
                 ]
             }
         ],
         "commands": [
             {
                 "name": "enable",
-                "description": "Enables page domain notifications.",
-                "handlers": ["browser", "renderer"]
+                "description": "Enables page domain notifications."
             },
             {
                 "name": "disable",
-                "description": "Disables page domain notifications.",
-                "handlers": ["browser", "renderer"]
+                "description": "Disables page domain notifications."
             },
             {
                 "name": "addScriptToEvaluateOnLoad",
                 "parameters": [
                     { "name": "scriptSource", "type": "string" }
                 ],
                 "returns": [
                     { "name": "identifier", "$ref": "ScriptIdentifier", "description": "Identifier of the added script." }
                 ],
                 "experimental": true
@@ skipping 12 matching lines @@
                 ],
                 "description": "Controls whether browser will open a new inspector window for connected pages.",
                 "experimental": true
             },
             {
                 "name": "reload",
                 "parameters": [
                     { "name": "ignoreCache", "type": "boolean", "optional": true, "description": "If true, browser cache is ignored (as if the user pressed Shift+refresh)." },
                     { "name": "scriptToEvaluateOnLoad", "type": "string", "optional": true, "description": "If set, the script will be injected into all frames of the inspected page after reload." }
                 ],
-                "description": "Reloads given page optionally ignoring the cache.",
-                "handlers": ["browser", "renderer"]
+                "description": "Reloads given page optionally ignoring the cache."
             },
             {
                 "name": "navigate",
                 "parameters": [
                     { "name": "url", "type": "string", "description": "URL to navigate the page to." }
                 ],
                 "returns": [
                     { "name": "frameId", "$ref": "FrameId", "experimental": true, "description": "Frame id that will be navigated." }
                 ],
-                "description": "Navigates current page to the given URL.",
-                "handlers": ["browser", "renderer"]
+                "description": "Navigates current page to the given URL."
             },
             {
               "name": "getNavigationHistory",
               "returns": [
                 { "name": "currentIndex", "type": "integer", "description": "Index of the current navigation history entry." },
                 { "name": "entries", "type": "array", "items": { "$ref": "NavigationEntry" }, "description": "Array of navigation history entries." }
               ],
               "description": "Returns navigation history for the current page.",
               "experimental": true,
-              "handlers": ["browser"]
+              "handlers": []
             },
             {
               "name": "navigateToHistoryEntry",
               "parameters": [
                   { "name": "entryId", "type": "integer", "description": "Unique id of the entry to navigate to." }
               ],
               "description": "Navigates current page to the given history entry.",
               "experimental": true,
-              "handlers": ["browser"]
+              "handlers": []
             },
             {
                 "name": "getCookies",
                 "returns": [
                     { "name": "cookies", "type": "array", "items": { "$ref": "Network.Cookie" }, "description": "Array of cookie objects." }
                 ],
                 "description": "Returns all browser cookies. Depending on the backend support, will return detailed cookie information in the <code>cookies</code> field.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "async": true,
                 "experimental": true,
                 "redirect": "Network"
             },
             {
                 "name": "deleteCookie",
                 "parameters": [
                     { "name": "cookieName", "type": "string", "description": "Name of the cookie to remove." },
                     { "name": "url", "type": "string", "description": "URL to match cooke domain and path." }
                 ],
                 "description": "Deletes browser cookie with given name, domain and path.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "async": true,
                 "experimental": true,
                 "redirect": "Network"
             },
             {
                 "name": "getResourceTree",
                 "description": "Returns present frame / resource tree structure.",
                 "returns": [
                     { "name": "frameTree", "$ref": "FrameResourceTree", "description": "Present frame / resource tree structure." }
                 ],
@@ skipping 49 matching lines @@
                     { "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." },
                     { "name": "screenWidth", "type": "integer", "optional": true, "description": "Overriding screen width value in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "screenHeight", "type": "integer", "optional": true, "description": "Overriding screen height value in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "positionX", "type": "integer", "optional": true, "description": "Overriding view X position on screen in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "positionY", "type": "integer", "optional": true, "description": "Overriding view Y position on screen in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "screenOrientation", "$ref": "Emulation.ScreenOrientation", "optional": true, "description": "Screen orientation override." }
                 ],
-                "handlers": ["browser"],
+                "handlers": [],
                 "redirect": "Emulation",
                 "experimental": true
             },
             {
                 "name": "clearDeviceMetricsOverride",
                 "description": "Clears the overriden device metrics.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "redirect": "Emulation",
                 "experimental": true
             },
             {
                 "name": "setGeolocationOverride",
                 "description": "Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position unavailable.",
                 "parameters": [
                     { "name": "latitude", "type": "number", "optional": true, "description": "Mock latitude"},
                     { "name": "longitude", "type": "number", "optional": true, "description": "Mock longitude"},
                     { "name": "accuracy", "type": "number", "optional": true, "description": "Mock accuracy"}
                 ],
                 "redirect": "Emulation",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "clearGeolocationOverride",
                 "description": "Clears the overriden Geolocation Position and Error.",
                 "redirect": "Emulation",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setDeviceOrientationOverride",
                 "description": "Overrides the Device Orientation.",
                 "parameters": [
                     { "name": "alpha", "type": "number", "description": "Mock alpha"},
                     { "name": "beta", "type": "number", "description": "Mock beta"},
                     { "name": "gamma", "type": "number", "description": "Mock gamma"}
                 ],
                 "redirect": "DeviceOrientation",
                 "experimental": true
             },
             {
                 "name": "clearDeviceOrientationOverride",
                 "description": "Clears the overridden Device Orientation.",
                 "redirect": "DeviceOrientation",
                 "experimental": true
             },
             {
                 "name": "setTouchEmulationEnabled",
                 "parameters": [
                     { "name": "enabled", "type": "boolean", "description": "Whether the touch event emulation should be enabled." },
                     { "name": "configuration", "type": "string", "enum": ["mobile", "desktop"], "optional": true, "description": "Touch/gesture events configuration. Default: current platform." }
                 ],
                 "description": "Toggles mouse event-based touch event emulation.",
                 "experimental": true,
-                "redirect": "Emulation",
-                "handlers": ["browser", "renderer"]
+                "redirect": "Emulation"
             },
             {
                 "name": "captureScreenshot",
                 "async": true,
                 "description": "Capture page screenshot.",
                 "returns": [
                     { "name": "data", "type": "string", "description": "Base64-encoded image data (PNG)." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "startScreencast",
                 "description": "Starts sending each frame using the <code>screencastFrame</code> event.",
                 "parameters": [
                     { "name": "format", "type": "string", "optional": true, "enum": ["jpeg", "png"], "description": "Image compression format." },
                     { "name": "quality", "type": "integer", "optional": true, "description": "Compression quality from range [0..100]." },
                     { "name": "maxWidth", "type": "integer", "optional": true, "description": "Maximum screenshot width." },
                     { "name": "maxHeight", "type": "integer", "optional": true, "description": "Maximum screenshot height." },
                     { "name": "everyNthFrame", "type": "integer", "optional": true, "description": "Send every n-th frame." }
                 ],
-                "experimental": true,
-                "handlers": ["browser", "renderer"]
+                "experimental": true
             },
             {
                 "name": "stopScreencast",
                 "description": "Stops sending each frame in the <code>screencastFrame</code>.",
-                "experimental": true,
-                "handlers": ["browser", "renderer"]
+                "experimental": true
             },
             {
                 "name": "screencastFrameAck",
                 "description": "Acknowledges that a screencast frame has been received by the frontend.",
                 "parameters": [
                     { "name": "sessionId", "type": "integer", "description": "Frame number." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "handleJavaScriptDialog",
                 "description": "Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload).",
                 "parameters": [
                     { "name": "accept", "type": "boolean", "description": "Whether to accept or dismiss the dialog." },
                     { "name": "promptText", "type": "string", "optional": true, "description": "The text to enter into the dialog prompt before accepting. Used only if this is a prompt dialog." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setColorPickerEnabled",
                 "parameters": [
                     { "name": "enabled", "type": "boolean", "description": "Shows / hides color picker" }
                 ],
                 "description": "Shows / hides color picker",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "configureOverlay",
                 "parameters": [
                     { "name": "suspended", "type": "boolean", "optional": true, "description": "Whether overlay should be suspended and not consume any resources." },
                     { "name": "message", "type": "string", "optional": true, "description": "Overlay message to display." }
                 ],
                 "experimental": true,
                 "description": "Configures overlay."
             },
             {
                 "name": "getAppManifest",
                 "experimental": true,
                 "returns": [
                     { "name": "url", "type": "string", "description": "Manifest location." },
                     { "name": "errors", "type": "array", "items": { "$ref": "AppManifestError" } },
                     { "name": "data", "type": "string", "optional": true, "description": "Manifest content." }
                 ],
                 "handlers": ["none"]
             },
             {
                 "name": "requestAppBanner",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setBlockedEventsWarningThreshold",
                 "experimental": true,
                 "parameters": [
                     { "name": "threshold", "type": "number", "description": "If set to a positive number, specifies threshold in seconds for input event latency that will cause a console warning about blocked event to be issued. If zero or less, the warning is disabled." }
                 ]
             },
             {
                 "name": "setControlNavigations",
                 "parameters": [
                     { "name": "enabled", "type": "boolean" }
                 ],
                 "description": "Toggles navigation throttling which allows programatic control over navigation and redirect response.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "processNavigation",
                 "parameters": [
                     { "name": "response", "$ref": "NavigationResponse" },
                     { "name": "navigationId", "type": "integer" }
                 ],
                 "description": "Should be sent in response to a navigationRequested or a redirectRequested event, telling the browser how to handle the navigation.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "getLayoutMetrics",
                 "description": "Returns metrics relating to the layouting of the page, such as viewport bounds/scale.",
                 "experimental": true,
                 "returns": [
                     { "name": "layoutViewport", "$ref": "LayoutViewport", "description": "Metrics relating to the layout viewport." },
                     { "name": "visualViewport", "$ref": "VisualViewport", "description": "Metrics relating to the visual viewport." }
                 ]
             }
@@ skipping 87 matching lines @@
             },
             {
                 "name": "screencastFrame",
                 "description": "Compressed image data requested by the <code>startScreencast</code>.",
                 "parameters": [
                     { "name": "data", "type": "string", "description": "Base64-encoded compressed image." },
                     { "name": "metadata", "$ref": "ScreencastFrameMetadata", "description": "Screencast frame metadata."},
                     { "name": "sessionId", "type": "integer", "description": "Frame number."}
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "screencastVisibilityChanged",
                 "description": "Fired when the page with currently enabled screencast was shown or hidden </code>.",
                 "parameters": [
                     { "name": "visible", "type": "boolean", "description": "True if the page is visible." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "colorPicked",
                 "description": "Fired when a color has been picked.",
                 "parameters": [
                     { "name": "color", "$ref": "DOM.RGBA", "description": "RGBA of the picked color." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "interstitialShown",
                 "description": "Fired when interstitial page was shown",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "interstitialHidden",
                 "description": "Fired when interstitial page was hidden",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "navigationRequested",
                 "description": "Fired when a navigation is started if navigation throttles are enabled.  The navigation will be deferred until processNavigation is called.",
                 "parameters": [
                     { "name": "isInMainFrame", "type": "boolean", "description": "Whether the navigation is taking place in the main frame or in a subframe." },
                     { "name": "isRedirect", "type": "boolean", "description": "Whether the navigation has encountered a server redirect or not." },
                     { "name": "navigationId", "type": "integer" },
                     { "name": "url", "type": "string", "description": "URL of requested navigation." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Rendering",
         "description": "This domain allows to control rendering of the page.",
         "experimental": true,
         "commands": [
             {
                 "name": "setShowPaintRects",
@@ skipping 69 matching lines @@
                     { "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, "experimental": true, "description": "Scale to apply to resulting view image. Ignored in |fitWindow| mode." },
                     { "name": "offsetX", "type": "number", "optional": true, "deprecated": true, "experimental": true, "description": "Not used." },
                     { "name": "offsetY", "type": "number", "optional": true, "deprecated": true, "experimental": true, "description": "Not used." },
                     { "name": "screenWidth", "type": "integer", "optional": true, "experimental": true, "description": "Overriding screen width value in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "screenHeight", "type": "integer", "optional": true, "experimental": true, "description": "Overriding screen height value in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "positionX", "type": "integer", "optional": true, "experimental": true, "description": "Overriding view X position on screen in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "positionY", "type": "integer", "optional": true, "experimental": true, "description": "Overriding view Y position on screen in pixels (minimum 0, maximum 10000000). Only used for |mobile==true|." },
                     { "name": "screenOrientation", "$ref": "ScreenOrientation", "optional": true, "description": "Screen orientation override." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "clearDeviceMetricsOverride",
                 "description": "Clears the overriden device metrics.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "forceViewport",
                 "description": "Overrides the visible area of the page. The change is hidden from the page, i.e. the observable scroll position and page scale does not change. In effect, the command moves the specified area of the page into the top-left corner of the frame.",
                 "experimental": true,
                 "parameters": [
                     { "name": "x", "type": "number", "description": "X coordinate of top-left corner of the area (CSS pixels)." },
                     { "name": "y", "type": "number", "description": "Y coordinate of top-left corner of the area (CSS pixels)." },
                     { "name": "scale", "type": "number", "description": "Scale to apply to the area (relative to a page scale of 1.0)." }
                 ]
@@ skipping 17 matching lines @@
                 ]
             },
             {
                 "name": "setVisibleSize",
                 "description": "Resizes the frame/viewport of the page. Note that this does not affect the frame's container (e.g. browser window). Can be used to produce screenshots of the specified size. Not supported on Android.",
                 "experimental": true,
                 "parameters": [
                     { "name": "width", "type": "integer", "description": "Frame width (DIP)." },
                     { "name": "height", "type": "integer", "description": "Frame height (DIP)." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setScriptExecutionDisabled",
                 "description": "Switches script execution in the page.",
                 "experimental": true,
                 "parameters": [
                     { "name": "value", "type": "boolean", "description": "Whether script execution should be disabled in the page." }
                 ]
             },
             {
                 "name": "setGeolocationOverride",
                 "description": "Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position unavailable.",
                 "experimental": true,
                 "parameters": [
                     { "name": "latitude", "type": "number", "optional": true, "description": "Mock latitude"},
                     { "name": "longitude", "type": "number", "optional": true, "description": "Mock longitude"},
                     { "name": "accuracy", "type": "number", "optional": true, "description": "Mock accuracy"}
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "clearGeolocationOverride",
                 "description": "Clears the overriden Geolocation Position and Error.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setTouchEmulationEnabled",
                 "parameters": [
                     { "name": "enabled", "type": "boolean", "description": "Whether the touch event emulation should be enabled." },
                     { "name": "configuration", "type": "string", "enum": ["mobile", "desktop"], "optional": true, "description": "Touch/gesture events configuration. Default: current platform." }
                 ],
-                "description": "Toggles mouse event-based touch event emulation.",
-                "handlers": ["browser", "renderer"]
+                "description": "Toggles mouse event-based touch event emulation."
             },
             {
                 "name": "setEmulatedMedia",
                 "parameters": [
                     { "name": "media", "type": "string", "description": "Media type to emulate. Empty string disables the override." }
                 ],
                 "description": "Emulates the given media for CSS media queries."
             },
             {
                 "name": "setCPUThrottlingRate",
                 "parameters": [
                     { "name": "rate", "type": "number", "description": "Throttling rate as a slowdown factor (1 is no throttle, 2 is 2x slowdown, etc)." }
                 ],
                 "experimental": true,
                 "description": "Enables CPU throttling to emulate slow CPUs."
             },
             {
                 "name": "canEmulate",
                 "description": "Tells whether emulation is supported.",
                 "returns": [
                     { "name": "result", "type": "boolean", "description": "True if emulation is supported." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setVirtualTimePolicy",
                 "description": "Turns on virtual time for all frames (replacing real-time with a synthetic time source) and sets the current virtual time policy.  Note this supersedes any previous time budget.",
                 "parameters": [
                     { "name": "policy", "$ref": "VirtualTimePolicy" },
                     { "name": "budget", "type": "integer", "optional": true, "description": "If set, after this many virtual milliseconds have elapsed virtual time will be paused and a virtualTimeBudgetExpired event is sent." }
                 ],
                 "experimental": true
             }
@@ skipping 44 matching lines @@
                     { "name": "ranInsecureContentStyle", "$ref": "SecurityState", "description": "Security state representing a page that ran insecure content." },
                     { "name": "displayedInsecureContentStyle", "$ref": "SecurityState", "description": "Security state representing a page that displayed insecure content." }
                 ],
                 "description": "Information about insecure content on the page."
             }
         ],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables tracking security state changes.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "disable",
                 "description": "Disables tracking security state changes.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "showCertificateViewer",
                 "description": "Displays native dialog with the certificate details.",
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "securityStateChanged",
                 "description": "The security state of the page changed.",
                 "parameters": [
                     { "name": "securityState", "$ref": "SecurityState", "description": "Security state." },
                     { "name": "explanations", "type": "array", "items": { "$ref": "SecurityStateExplanation" }, "description": "List of explanations for the security state. If the overall security state is `insecure` or `warning`, at least one corresponding explanation should be included.", "optional": true },
                     { "name": "insecureContentStatus", "$ref": "InsecureContentStatus", "description": "Information about insecure content on the page.", "optional": true },
                     { "name": "schemeIsCryptographic", "type": "boolean", "description": "True if the page was loaded over cryptographic transport such as HTTPS.", "optional": true }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Network",
         "description": "Network domain allows tracking network activities of the page. It exposes information about http, file, data and other requests and responses, their headers, bodies, timing, etc.",
         "dependencies": ["Runtime", "Security"],
         "types": [
             {
                 "id": "LoaderId",
@@ skipping 211 matching lines @@
                 "experimental": true
             }
         ],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables network tracking, network events will now be delivered to the client.",
                 "parameters": [
                     { "name": "maxTotalBufferSize", "type": "integer", "optional": true, "experimental": true, "description": "Buffer size in bytes to use when preserving network payloads (XHRs, etc)." },
                     { "name": "maxResourceBufferSize", "type": "integer", "optional": true, "experimental": true, "description": "Per-resource buffer size in bytes to use when preserving network payloads (XHRs, etc)." }
-                ],
-                "handlers": ["renderer", "browser"]
+                ]
             },
             {
                 "name": "disable",
-                "description": "Disables network tracking, prevents network events from being sent to the client.",
-                "handlers": ["renderer", "browser"]
+                "description": "Disables network tracking, prevents network events from being sent to the client."
             },
             {
                 "name": "setUserAgentOverride",
                 "description": "Allows overriding user agent with the given string.",
                 "parameters": [
                     { "name": "userAgent", "type": "string", "description": "User agent to use." }
                 ]
             },
             {
                 "name": "setExtraHTTPHeaders",
@@ skipping 49 matching lines @@
             {
                 "name": "canClearBrowserCache",
                 "description": "Tells whether clearing browser cache is supported.",
                 "returns": [
                     { "name": "result", "type": "boolean", "description": "True if browser cache can be cleared." }
                 ]
             },
             {
                 "name": "clearBrowserCache",
                 "description": "Clears browser cache.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "canClearBrowserCookies",
                 "description": "Tells whether clearing browser cookies is supported.",
                 "returns": [
                     { "name": "result", "type": "boolean", "description": "True if browser cookies can be cleared." }
                 ]
             },
             {
                 "name": "clearBrowserCookies",
                 "description": "Clears browser cookies.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "getCookies",
                 "returns": [
                     { "name": "cookies", "type": "array", "items": { "$ref": "Cookie" }, "description": "Array of cookie objects." }
                 ],
                 "description": "Returns all browser cookies. Depending on the backend support, will return detailed cookie information in the <code>cookies</code> field.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "async": true,
                 "experimental": true
             },
             {
                 "name": "deleteCookie",
                 "parameters": [
                     { "name": "cookieName", "type": "string", "description": "Name of the cookie to remove." },
                     { "name": "url", "type": "string", "description": "URL to match cooke domain and path." }
                 ],
                 "description": "Deletes browser cookie with given name, domain and path.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "async": true,
                 "experimental": true
             },
             {
                 "name": "setCookie",
                 "parameters": [
                     { "name": "url", "type": "string", "description": "The request-URI to associate with the setting of the cookie. This value can affect the default domain and path values of the created cookie." },
                     { "name": "name", "type": "string", "description": "The name of the cookie." },
                     { "name": "value", "type": "string", "description": "The value of the cookie." },
                     { "name": "domain", "type": "string", "optional": true, "description": "If omitted, the cookie becomes a host-only cookie." },
                     { "name": "path", "type": "string", "optional": true, "description": "Defaults to the path portion of the url parameter." },
                     { "name": "secure", "type": "boolean", "optional": true, "description": "Defaults ot false." },
                     { "name": "httpOnly", "type": "boolean", "optional": true, "description": "Defaults to false." },
                     { "name": "sameSite", "$ref": "CookieSameSite", "optional": true, "description": "Defaults to browser default behavior." },
                     { "name": "expirationDate", "$ref": "Timestamp", "optional": true, "description": "If omitted, the cookie becomes a session cookie." }
                 ],
                 "returns": [
                     { "name": "success", "type": "boolean", "description": "True if successfully set cookie." }
                 ],
                 "description": "Sets a cookie with the given cookie data; may overwrite equivalent cookies if they exist.",
-                "handlers": ["browser"],
+                "handlers": [],
                 "async": true,
                 "experimental": true
             },
             {
                 "name": "canEmulateNetworkConditions",
                 "description": "Tells whether emulation of network conditions is supported.",
                 "returns": [
                   { "name": "result", "type": "boolean", "description": "True if emulation of network conditions is supported." }
                 ],
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "emulateNetworkConditions",
                 "description": "Activates emulation of network conditions.",
                 "parameters": [
                     { "name": "offline", "type": "boolean", "description": "True to emulate internet disconnection." },
                     { "name": "latency", "type": "number", "description": "Additional latency (ms)." },
                     { "name": "downloadThroughput", "type": "number", "description": "Maximal aggregated download throughput." },
                     { "name": "uploadThroughput", "type": "number", "description": "Maximal aggregated upload throughput." },
                     { "name": "connectionType", "$ref": "ConnectionType", "optional": true, "description": "Connection type if known."}
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "setCacheDisabled",
                 "parameters": [
                     { "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": "setBypassServiceWorker",
@@ skipping 14 matching lines @@
             },
             {
                 "name": "getCertificate",
                 "description": "Returns the DER-encoded certificate.",
                 "parameters": [
                     { "name": "origin", "type": "string", "description": "Origin to get certificate for." }
                 ],
                 "returns": [
                     { "name": "tableNames", "type": "array", "items": { "type": "string" } }
                 ],
-                "handlers": ["renderer"],
                 "experimental": true
             }
         ],
         "events": [
             {
                 "name": "resourceChangedPriority",
                 "description": "Fired when resource loading priority is changed",
                 "parameters": [
                     { "name": "requestId", "$ref": "RequestId", "description": "Request identifier." },
                     { "name": "newPriority", "$ref": "ResourcePriority", "description": "New priority" },
@@ skipping 1126 matching lines @@
                 "description": "Focuses the given element.",
                 "experimental": true
             },
             {
                 "name": "setFileInputFiles",
                 "parameters": [
                     { "name": "nodeId", "$ref": "NodeId", "description": "Id of the file input node to set files for." },
                     { "name": "files", "type": "array", "items": { "type": "string" }, "description": "Array of file paths to set." }
                 ],
                 "description": "Sets files for the given file input element.",
-                "experimental": true,
-                "handlers": ["browser", "renderer"]
+                "experimental": true
             },
             {
                 "name": "getBoxModel",
                 "parameters": [
                     { "name": "nodeId", "$ref": "NodeId", "description": "Id of the node to get box model for." }
                 ],
                 "returns": [
                     { "name": "model", "$ref": "BoxModel", "description": "Box model for the node." }
                 ],
                 "description": "Returns boxes for the currently selected nodes.",
@@ skipping 687 matching lines @@
                 "async": true,
                 "parameters": [
                     { "name": "handle", "$ref": "StreamHandle", "description": "Handle of the stream to read." },
                     { "name": "offset", "type": "integer", "optional": true, "description": "Seek to the specified offset before reading (if not specificed, proceed with offset following the last read)." },
                     { "name": "size", "type": "integer", "optional": true,  "description": "Maximum number of bytes to read (left upon the agent discretion if not specified)." }
                 ],
                 "returns": [
                     { "name": "data", "type": "string", "description": "Data that were read." },
                     { "name": "eof", "type": "boolean", "description": "Set if the end-of-file condition occured while reading." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "close",
                 "description": "Close the stream, discard any temporary backing storage.",
                 "parameters": [
                     { "name": "handle", "$ref": "StreamHandle", "description": "Handle of the stream to close." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "DOMDebugger",
         "description": "DOM debugging allows setting breakpoints on particular DOM operations and events. JavaScript execution will stop on these operations as if there was a regular breakpoint set.",
         "dependencies": ["DOM", "Debugger"],
         "types": [
             {
                 "id": "DOMBreakpointType",
@@ skipping 127 matching lines @@
                 ]
             }
         ],
         "commands": [
             {
                 "name": "setDiscoverTargets",
                 "description": "Controls whether to discover available targets and notify via <code>targetCreated/targetDestroyed</code> events.",
                 "parameters": [
                     { "name": "discover", "type": "boolean", "description": "Whether to discover available targets." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setAutoAttach",
                 "description": "Controls whether to automatically attach to new targets which are considered to be related to this one. When turned on, attaches to all existing related targets as well. When turned off, automatically detaches from all currently attached targets.",
                 "parameters": [
                     { "name": "autoAttach", "type": "boolean", "description": "Whether to auto-attach to related targets." },
                     { "name": "waitForDebuggerOnStart", "type": "boolean", "description": "Whether to pause new targets when attaching to them. Use <code>Runtime.runIfWaitingForDebugger</code> to run paused targets." }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "setAttachToFrames",
                 "parameters": [
                     { "name": "value", "type": "boolean", "description": "Whether to attach to frames." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setRemoteLocations",
                 "description": "Enables target discovery for the specified locations, when <code>setDiscoverTargets</code> was set to <code>true</code>.",
                 "parameters": [
                     { "name": "locations", "type": "array", "items": { "$ref": "RemoteLocation" }, "description": "List of remote locations." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "sendMessageToTarget",
                 "description": "Sends protocol message to the target with given id.",
                 "parameters": [
                     { "name": "targetId", "type": "string" },
                     { "name": "message", "type": "string" }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "getTargetInfo",
                 "description": "Returns information about a target.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
                 "returns": [
                     { "name": "targetInfo","$ref": "TargetInfo" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "activateTarget",
                 "description": "Activates (focuses) the target.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "closeTarget",
                 "description": "Closes the target. If the target is a page that gets closed too.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
                 "returns": [
                     { "name": "success", "type": "boolean" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "attachToTarget",
                 "description": "Attaches to the target with given id.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
                 "returns": [
                     { "name": "success", "type": "boolean", "description": "Whether attach succeeded." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "detachFromTarget",
                 "description": "Detaches from the target with given id.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "createBrowserContext",
                 "description": "Creates a new empty BrowserContext. Similar to an incognito profile but you can have more than one.",
                 "returns": [
                     { "name": "browserContextId", "$ref": "BrowserContextID", "description": "The id of the context created." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "disposeBrowserContext",
                 "description": "Deletes a BrowserContext, will fail of any open page uses it.",
                 "parameters": [
                     { "name": "browserContextId", "$ref": "BrowserContextID" }
                 ],
                 "returns": [
                     { "name": "success", "type": "boolean" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "createTarget",
                 "description": "Creates a new page.",
                 "parameters": [
                     { "name": "url", "type": "string", "description": "The initial URL the page will be navigated to." },
                     { "name": "width", "type": "integer", "description": "Frame width in DIP (headless chrome only).", "optional": true },
                     { "name": "height", "type": "integer", "description": "Frame height in DIP (headless chrome only).", "optional": true },
                     { "name": "browserContextId", "$ref": "BrowserContextID", "description": "The browser context to create the page in (headless chrome only).", "optional": true }
                 ],
                 "returns": [
                     { "name": "targetId", "$ref": "TargetID", "description": "The id of the page opened." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "getTargets",
                 "description": "Retrieves a list of available targets.",
                 "returns": [
                     { "name": "targetInfos", "type": "array", "items": { "$ref": "TargetInfo" }, "description": "The list of targets." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "targetCreated",
                 "description": "Issued when a possible inspection target is created.",
                 "parameters": [
                     { "name": "targetInfo", "$ref": "TargetInfo" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "targetDestroyed",
                 "description": "Issued when a target is destroyed.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "attachedToTarget",
                 "description": "Issued when attached to target because of auto-attach or <code>attachToTarget</code> command.",
                 "parameters": [
                     { "name": "targetInfo", "$ref": "TargetInfo" },
                     { "name": "waitingForDebugger", "type": "boolean" }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "detachedFromTarget",
                 "description": "Issued when detached from target for any reason (including <code>detachFromTarget</code> command).",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "receivedMessageFromTarget",
                 "description": "Notifies about new protocol message from attached target.",
                 "parameters": [
                     { "name": "targetId", "$ref": "TargetID" },
                     { "name": "message", "type": "string" }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             }
         ]
     },
     {
         "domain": "ServiceWorker",
         "experimental": true,
         "types": [
             {
                 "id": "ServiceWorkerRegistration",
                 "type": "object",
@@ skipping 40 matching lines @@
                     { "name": "versionId", "type": "string" },
                     { "name": "sourceURL", "type": "string" },
                     { "name": "lineNumber", "type": "integer" },
                     { "name": "columnNumber", "type": "integer" }
                 ]
             }
         ],
         "commands": [
             {
                 "name": "enable",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "disable",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "unregister",
                 "parameters": [
                     { "name": "scopeURL", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "updateRegistration",
                 "parameters": [
                     { "name": "scopeURL", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "startWorker",
                 "parameters": [
                     { "name": "scopeURL", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "skipWaiting",
                 "parameters": [
                     { "name": "scopeURL", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "stopWorker",
                 "parameters": [
                     { "name": "versionId", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "inspectWorker",
                 "parameters": [
                     { "name": "versionId", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "setForceUpdateOnPageLoad",
                 "parameters": [
                     { "name": "forceUpdateOnPageLoad", "type": "boolean" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "deliverPushMessage",
                 "parameters": [
                     { "name": "origin", "type": "string" },
                     { "name": "registrationId", "type": "string" },
                     { "name": "data", "type": "string" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "dispatchSyncEvent",
                 "parameters": [
                     { "name": "origin", "type": "string" },
                     { "name": "registrationId", "type": "string" },
                     { "name": "tag", "type": "string" },
                     { "name": "lastChance", "type": "boolean" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "workerRegistrationUpdated",
                 "parameters": [
                     { "name": "registrations", "type": "array", "items": { "$ref": "ServiceWorkerRegistration" } }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "workerVersionUpdated",
                 "parameters": [
                     { "name": "versions", "type": "array", "items": { "$ref": "ServiceWorkerVersion" } }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "workerErrorReported",
                 "parameters": [
                     { "name": "errorMessage", "$ref": "ServiceWorkerErrorMessage" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Input",
         "types": [
             {
                 "id": "TouchPoint",
                 "type": "object",
                 "experimental": true,
@@ skipping 27 matching lines @@
                     { "name": "keyIdentifier", "type": "string", "optional": true, "description": "Unique key identifier (e.g., 'U+0041') (default: \"\")." },
                     { "name": "code", "type": "string", "optional": true, "description": "Unique DOM defined string value for each physical key (e.g., 'KeyA') (default: \"\")." },
                     { "name": "key", "type": "string", "optional": true, "description": "Unique DOM defined string value describing the meaning of the key in the context of active modifiers, keyboard layout, etc (e.g., 'AltGr') (default: \"\")." },
                     { "name": "windowsVirtualKeyCode", "type": "integer", "optional": true, "description": "Windows virtual key code (default: 0)." },
                     { "name": "nativeVirtualKeyCode", "type": "integer", "optional": true, "description": "Native virtual key code (default: 0)." },
                     { "name": "autoRepeat", "type": "boolean", "optional": true, "description": "Whether the event was generated from auto repeat (default: false)." },
                     { "name": "isKeypad", "type": "boolean", "optional": true, "description": "Whether the event was generated from the keypad (default: false)." },
                     { "name": "isSystemKey", "type": "boolean", "optional": true, "description": "Whether the event was a system key event (default: false)." }
                 ],
                 "description": "Dispatches a key event to the page.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "dispatchMouseEvent",
                 "parameters": [
                     { "name": "type", "type": "string", "enum": ["mousePressed", "mouseReleased", "mouseMoved"], "description": "Type of the mouse event." },
                     { "name": "x", "type": "integer", "description": "X coordinate of the event relative to the main frame's viewport."},
                     { "name": "y", "type": "integer", "description": "Y coordinate of the event relative to the main frame's viewport. 0 refers to the top of the viewport and Y increases as it proceeds towards the bottom of the viewport."},
                     { "name": "modifiers", "type": "integer", "optional": true, "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8 (default: 0)." },
                     { "name": "timestamp", "type": "number", "optional": true, "description": "Time at which the event occurred. Measured in UTC time in seconds since January 1, 1970 (default: current time)." },
                     { "name": "button", "type": "string", "enum": ["none", "left", "middle", "right"], "optional": true, "description": "Mouse button (default: \"none\")." },
                     { "name": "clickCount", "type": "integer", "optional": true, "description": "Number of times the mouse button was clicked (default: 0)." }
                 ],
                 "description": "Dispatches a mouse event to the page.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "dispatchTouchEvent",
                 "experimental": true,
                 "parameters": [
                     { "name": "type", "type": "string", "enum": ["touchStart", "touchEnd", "touchMove"], "description": "Type of the touch event." },
                     { "name": "touchPoints", "type": "array", "items": { "$ref": "TouchPoint" }, "description": "Touch points." },
                     { "name": "modifiers", "type": "integer", "optional": true, "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8 (default: 0)." },
                     { "name": "timestamp", "type": "number", "optional": true, "description": "Time at which the event occurred. Measured in UTC time in seconds since January 1, 1970 (default: current time)." }
                 ],
                 "description": "Dispatches a touch event to the page."
             },
             {
                 "name": "emulateTouchFromMouseEvent",
                 "experimental": true,
                 "parameters": [
                     { "name": "type", "type": "string", "enum": ["mousePressed", "mouseReleased", "mouseMoved", "mouseWheel"], "description": "Type of the mouse event." },
                     { "name": "x", "type": "integer", "description": "X coordinate of the mouse pointer in DIP."},
                     { "name": "y", "type": "integer", "description": "Y coordinate of the mouse pointer in DIP."},
                     { "name": "timestamp", "type": "number", "description": "Time at which the event occurred. Measured in UTC time in seconds since January 1, 1970." },
                     { "name": "button", "type": "string", "enum": ["none", "left", "middle", "right"], "description": "Mouse button." },
                     { "name": "deltaX", "type": "number", "optional": true, "description": "X delta in DIP for mouse wheel event (default: 0)."},
                     { "name": "deltaY", "type": "number", "optional": true, "description": "Y delta in DIP for mouse wheel event (default: 0)."},
                     { "name": "modifiers", "type": "integer", "optional": true, "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8 (default: 0)." },
                     { "name": "clickCount", "type": "integer", "optional": true, "description": "Number of times the mouse button was clicked (default: 0)." }
                 ],
                 "description": "Emulates touch event from the mouse event parameters.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "synthesizePinchGesture",
                 "async": true,
                 "parameters": [
                     { "name": "x", "type": "integer", "description": "X coordinate of the start of the gesture in CSS pixels." },
                     { "name": "y", "type": "integer", "description": "Y coordinate of the start of the gesture in CSS pixels." },
                     { "name": "scaleFactor", "type": "number", "description": "Relative scale factor after zooming (>1.0 zooms in, <1.0 zooms out)." },
                     { "name": "relativeSpeed", "type": "integer", "optional": true, "description": "Relative pointer speed in pixels per second (default: 800)." },
                     { "name": "gestureSourceType", "$ref": "GestureSourceType", "optional": true, "description": "Which type of input events to be generated (default: 'default', which queries the platform for the preferred input type)." }
                 ],
                 "description": "Synthesizes a pinch gesture over a time period by issuing appropriate touch events.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "synthesizeScrollGesture",
                 "async": true,
                 "parameters": [
                     { "name": "x", "type": "integer", "description": "X coordinate of the start of the gesture in CSS pixels." },
                     { "name": "y", "type": "integer", "description": "Y coordinate of the start of the gesture in CSS pixels." },
                     { "name": "xDistance", "type": "integer", "optional": true, "description": "The distance to scroll along the X axis (positive to scroll left)." },
                     { "name": "yDistance", "type": "integer", "optional": true, "description": "The distance to scroll along the Y axis (positive to scroll up)." },
                     { "name": "xOverscroll", "type": "integer", "optional": true, "description": "The number of additional pixels to scroll back along the X axis, in addition to the given distance." },
                     { "name": "yOverscroll", "type": "integer", "optional": true, "description": "The number of additional pixels to scroll back along the Y axis, in addition to the given distance." },
                     { "name": "preventFling", "type": "boolean", "optional": true, "description": "Prevent fling (default: true)." },
                     { "name": "speed", "type": "integer", "optional": true, "description": "Swipe speed in pixels per second (default: 800)." },
                     { "name": "gestureSourceType", "$ref": "GestureSourceType", "optional": true, "description": "Which type of input events to be generated (default: 'default', which queries the platform for the preferred input type)." },
                     { "name": "repeatCount", "type": "integer", "optional": true, "description": "The number of times to repeat the gesture (default: 0)." },
                     { "name": "repeatDelayMs", "type": "integer", "optional": true, "description": "The number of milliseconds delay between each repeat. (default: 250)." },
                     { "name": "interactionMarkerName", "type": "string", "optional": true, "description": "The name of the interaction markers to generate, if not empty (default: \"\")." }
                 ],
                 "description": "Synthesizes a scroll gesture over a time period by issuing appropriate touch events.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "synthesizeTapGesture",
                 "async": true,
                 "parameters": [
                     { "name": "x", "type": "integer", "description": "X coordinate of the start of the gesture in CSS pixels." },
                     { "name": "y", "type": "integer", "description": "Y coordinate of the start of the gesture in CSS pixels." },
                     { "name": "duration", "type": "integer", "optional": true, "description": "Duration between touchdown and touchup events in ms (default: 50)." },
                     { "name": "tapCount", "type": "integer", "optional": true, "description": "Number of times to perform the tap (e.g. 2 for double tap, default: 1)." },
                     { "name": "gestureSourceType", "$ref": "GestureSourceType", "optional": true, "description": "Which type of input events to be generated (default: 'default', which queries the platform for the preferred input type)." }
                 ],
                 "description": "Synthesizes a tap gesture over a time period by issuing appropriate touch events.",
                 "experimental": true,
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": []
     },
     {
         "domain": "LayerTree",
         "experimental": true,
         "dependencies": ["DOM"],
         "types": [
             {
@@ skipping 202 matching lines @@
             {
                 "name": "start",
                 "async": true,
                 "description": "Start trace events collection.",
                 "parameters": [
                     { "name": "categories", "type": "string", "optional": true, "deprecated": true, "description": "Category/tag filter" },
                     { "name": "options", "type": "string", "optional": true, "deprecated": true, "description": "Tracing options" },
                     { "name": "bufferUsageReportingInterval", "type": "number", "optional": true, "description": "If set, the agent will issue bufferUsage events at this interval, specified in milliseconds" },
                     { "name": "transferMode", "type": "string", "enum": ["ReportEvents", "ReturnAsStream"], "optional": true, "description": "Whether to report trace events as series of dataCollected events or to save trace to a stream (defaults to <code>ReportEvents</code>)." },
                     { "name": "traceConfig", "$ref": "TraceConfig", "optional": true, "description": "" }
-                ],
-                "handlers": ["browser", "renderer"]
+                ]
             },
             {
                 "name": "end",
                 "async": true,
-                "description": "Stop trace events collection.",
-                "handlers": ["browser", "renderer"]
+                "description": "Stop trace events collection."
             },
             {
                 "name": "getCategories",
                 "async": true,
                 "description": "Gets supported tracing categories.",
                 "returns": [
                     { "name": "categories", "type": "array", "items": { "type": "string" }, "description": "A list of supported tracing categories." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "requestMemoryDump",
                 "async": true,
                 "description": "Request a global memory dump.",
                 "returns": [
                     { "name": "dumpGuid", "type": "string", "description": "GUID of the resulting global memory dump." },
                     { "name": "success", "type": "boolean", "description": "True iff the global memory dump succeeded." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "recordClockSyncMarker",
                 "description": "Record a clock sync marker in the trace.",
                 "parameters": [
                     { "name": "syncId", "type": "string", "description": "The ID of this clock sync marker" }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "dataCollected",
                 "parameters": [
                     { "name": "value", "type": "array", "items": { "type": "object" } }
                 ],
                 "description": "Contains an bucket of collected trace events. When tracing is stopped collected events will be send as a sequence of dataCollected events followed by tracingComplete event.",
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "tracingComplete",
                 "description": "Signals that tracing is stopped and there is no trace buffers pending flush, all data were delivered via dataCollected events.",
                 "parameters": [
                     { "name": "stream", "$ref": "IO.StreamHandle", "optional": true, "description": "A handle of the stream that holds resulting trace data." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "bufferUsage",
                 "parameters": [
                     { "name": "percentFull", "type": "number", "optional": true, "description": "A number in range [0..1] that indicates the used size of event buffer as a fraction of its total size." },
                     { "name": "eventCount", "type": "number", "optional": true, "description": "An approximate number of events in the trace log." },
                     { "name": "value", "type": "number", "optional": true, "description": "A number in range [0..1] that indicates the used size of event buffer as a fraction of its total size." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Animation",
         "experimental": true,
         "dependencies": ["Runtime", "DOM"],
         "types": [
             {
                 "id": "Animation",
@@ skipping 305 matching lines @@
             }
         ],
         "commands": [
             {
                 "name": "clearDataForOrigin",
                 "parameters": [
                     { "name": "origin", "type": "string", "description": "Security origin." },
                     { "name": "storageTypes", "type": "string", "description": "Comma separated origin names." }
                 ],
                 "description": "Clears storage for origin.",
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Log",
         "description": "Provides access to log entries.",
         "dependencies": ["Runtime", "Network"],
         "experimental": true,
         "types": [
             {
@@ skipping 68 matching lines @@
         "commands": [
             {
                 "name": "getInfo",
                 "async": true,
                 "description": "Returns information about the system.",
                 "returns": [
                     { "name": "gpu", "$ref": "GPUInfo", "description": "Information about the GPUs on the system." },
                     { "name": "modelName", "type": "string", "description": "A platform-dependent description of the model of the machine. On Mac OS, this is, for example, 'MacBookPro'. Will be the empty string if not supported." },
                     { "name": "modelVersion", "type": "string", "description": "A platform-dependent description of the version of the machine. On Mac OS, this is, for example, '10.1'. Will be the empty string if not supported." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     },
     {
         "domain": "Tethering",
         "description": "The Tethering domain defines methods and events for browser port binding.",
         "experimental": true,
         "commands": [
             {
                 "name": "bind",
                 "async": true,
                 "description": "Request browser port binding.",
                 "parameters": [
                     { "name": "port", "type": "integer", "description": "Port number to bind." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             },
             {
                 "name": "unbind",
                 "async": true,
                 "description": "Request browser port unbinding.",
                 "parameters": [
                     { "name": "port", "type": "integer", "description": "Port number to unbind." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ],
         "events": [
             {
                 "name": "accepted",
                 "description": "Informs that port was successfully bound and got a specified connection id.",
                 "parameters": [
                     {"name": "port", "type": "integer", "description": "Port number that was successfully bound." },
                     {"name": "connectionId", "type": "string", "description": "Connection id to be used." }
                 ],
-                "handlers": ["browser"]
+                "handlers": []
             }
         ]
     }]
 }