DevTools: Show detailed information for exceptions during snippet execution.

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 2941 matching lines @@
             {
                 "id": "Scope",
                 "type": "object",
                 "properties": [
                     { "name": "type", "type": "string", "enum": ["global", "local", "with", "closure", "catch"], "description": "Scope type." },
                     { "name": "object", "$ref": "Runtime.RemoteObject", "description": "Object representing the scope. For <code>global</code> and <code>with</code> scopes it represents the actual object; for the rest of the scopes, it is artificial transient object enumerating scope variables as its properties." }
                 ],
                 "description": "Scope description."
             },
             {
+                "id": "ExceptionDetails",
+                "type": "object",
+                "description": "Detailed information on exception (or error) that was thrown during script compilation or execution.",
+                "properties": [
+                    { "name": "text", "type": "string", "description": "Exception text." },
+                    { "name": "url", "type": "string", "optional": true, "description": "URL of the message origin." },
+                    { "name": "line", "type": "integer", "optional": true, "description": "Line number in the resource that generated this message." },
+                    { "name": "column", "type": "integer", "optional": true, "description": "Column number in the resource that generated this message." },
+                    { "name": "stackTrace", "$ref": "Console.StackTrace", "optional": true, "description": "JavaScript stack trace for assertions and error messages." }
+                ]
+            },
+            {
                 "id": "SetScriptSourceError",
                 "type": "object",
                 "properties": [
                     { "name": "compileError", "optional": true, "type": "object", "properties":
                         [
                             { "name": "message", "type": "string", "description": "Compiler error message" },
                             { "name": "lineNumber", "type": "integer", "description": "Compile error line number (1-based)" },
                             { "name": "columnNumber", "type": "integer", "description": "Compile error column number (1-based)" }
                         ]
                     }
@@ skipping 194 matching lines @@
             {
                 "name": "compileScript",
                 "hidden": true,
                 "parameters": [
                     { "name": "expression", "type": "string", "description": "Expression to compile." },
                     { "name": "sourceURL", "type": "string", "description": "Source url to be set for the script." },
                     { "name": "executionContextId", "$ref": "Runtime.ExecutionContextId", "optional": true, "description": "Specifies in which isolated context to perform script run. Each content script lives in an isolated context and this parameter may be used to specify one of those contexts. If the parameter is omitted or 0 the evaluation will be performed in the context of the inspected page." }
                 ],
                 "returns": [
                     { "name": "scriptId", "$ref": "ScriptId", "optional": true, "description": "Id of the script." },
-                    { "name": "syntaxErrorMessage", "type": "string", "optional": true, "description": "Syntax error message if compilation failed." }
+                    { "name": "exceptionDetails", "$ref": "ExceptionDetails", "optional": true, "description": "Exception details."}
                 ],
                 "description": "Compiles expression."
             },
             {
                 "name": "runScript",
                 "hidden": true,
                 "parameters": [
                     { "name": "scriptId", "$ref": "ScriptId", "description": "Id of the script to run." },
                     { "name": "executionContextId", "$ref": "Runtime.ExecutionContextId", "optional": true, "description": "Specifies in which isolated context to perform script run. Each content script lives in an isolated context and this parameter may be used to specify one of those contexts. If the parameter is omitted or 0 the evaluation will be performed in the context of the inspected page." },
                     { "name": "objectGroup", "type": "string", "optional": true, "description": "Symbolic group name that can be used to release multiple objects." },
                     { "name": "doNotPauseOnExceptionsAndMuteConsole", "type": "boolean", "optional": true, "description": "Specifies whether script run should stop on exceptions and mute console. Overrides setPauseOnException state." }
                 ],
                 "returns": [
                     { "name": "result", "$ref": "Runtime.RemoteObject", "description": "Run result." },
-                    { "name": "wasThrown", "type": "boolean", "optional": true, "description": "True if the result was thrown during the script run." }
+                    { "name": "exceptionDetails", "$ref": "ExceptionDetails", "optional": true, "description": "Exception details."}
                 ],
                 "description": "Runs script with given id in a given context."
             },
             {
                 "name": "setOverlayMessage",
                 "parameters": [
                     { "name": "message", "type": "string", "optional": true, "description": "Overlay message to display when paused in debugger." }
                 ],
                 "hidden": true,
                 "description": "Sets overlay message."
@@ skipping 973 matching lines @@
             {
                 "name": "dataAvailable",
                 "parameters": [
                     {"name": "value", "type": "array", "items": { "$ref": "PowerEvent" }, "description": "List of power events." }
                 ],
                 "handlers": ["browser", "frontend"]
             }
         ]
     }]
 }