DevTools: migrate remote debugging protocol generators to jinja2.

third_party/WebKit/Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications.",
@@ skipping 216 matching lines @@
                     { "name": "url", "type": "string", "description": "URL to navigate the page to." }
                 ],
                 "returns": [
                     { "name": "frameId", "$ref": "FrameId", "hidden": true, "description": "Frame id that will be navigated." }
                 ],
                 "description": "Navigates current page to the given URL.",
                 "handlers": ["browser", "renderer"]
             },
             {
               "name": "getNavigationHistory",
-              "parameters": [],
               "returns": [
                 { "name": "currentIndex", "type": "integer", "description": "Index of the current navigation history entry." },
                 { "name": "entries", "type": "array", "items": { "$ref": "NavigationEntry" }, "description": "Array of navigation history entries." }
               ],
               "description": "Returns navigation history for the current page.",
               "hidden": true,
               "handlers": ["browser"]
             },
             {
               "name": "navigateToHistoryEntry",
@@ skipping 145 matching lines @@
                 ],
                 "description": "Toggles mouse event-based touch event emulation.",
                 "hidden": true,
                 "redirect": "Emulation",
                 "handlers": ["browser", "renderer"]
             },
             {
                 "name": "captureScreenshot",
                 "async": true,
                 "description": "Capture page screenshot.",
-                "parameters": [],
                 "returns": [
                     { "name": "data", "type": "string", "description": "Base64-encoded image data (PNG)." }
                 ],
                 "hidden": true,
                 "handlers": ["browser"]
             },
             {
                 "name": "startScreencast",
                 "description": "Starts sending each frame using the <code>screencastFrame</code> event.",
                 "parameters": [
@@ skipping 4772 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
             }
         ]
     }]
 }