[DevTools] Removed unused hidden protocol method: getStepInPositions

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 3692 matching lines @@
                     { "name": "scopeNumber", "type": "integer", "description": "0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch' scope types are allowed. Other scopes could be manipulated manually." },
                     { "name": "variableName", "type": "string", "description": "Variable name." },
                     { "name": "newValue", "$ref": "Runtime.CallArgument", "description": "New variable value." },
                     { "name": "callFrameId", "$ref": "CallFrameId", "optional": true, "description": "Id of callframe that holds variable." },
                     { "name": "functionObjectId", "$ref": "Runtime.RemoteObjectId", "optional": true, "description": "Object id of closure (function) that holds variable." }
                 ],
                 "hidden": true,
                 "description": "Changes value of variable in a callframe or a closure. Either callframe or function must be specified. Object-based scopes are not supported and must be mutated manually."
             },
             {
-                "name": "getStepInPositions",
-                "parameters": [
-                    { "name": "callFrameId", "$ref": "CallFrameId", "description": "Id of a call frame where the current statement should be analized" }
-                ],
-                "returns": [
-                    { "name": "stepInPositions", "type": "array", "items": { "$ref": "Location" }, "optional": true, "description": "experimental" }
-                ],
-                "hidden": true,
-                "description": "Lists all positions where step-in is possible for a current statement in a specified call frame"
-            },
-            {
                 "name": "getBacktrace",
                 "returns": [
                     { "name": "callFrames", "type": "array", "items": { "$ref": "CallFrame" }, "description": "Call stack the virtual machine stopped on." },
                     { "name": "asyncStackTrace", "$ref": "Runtime.StackTrace", "optional": true, "description": "Async stack trace, if any." }
                 ],
                 "hidden": true,
                 "description": "Returns call stack including variables changed since VM was paused. VM must be paused."
             },
             {
                 "name": "setAsyncCallStackDepth",
@@ skipping 1432 matching lines @@
                 ],
                 "returns": [
                     { "name": "accessibilityNode", "$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
             }
         ]
     }]
 }