[DevTools] Report error in debug mode from promise with stack

R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/645513004

git-svn-id: svn://svn.chromium.org/blink/trunk@184282 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/Runtime.js

@@ -987,14 +987,27 @@ Promise.prototype.thenOrCatch = function(callback)
      */
     function reject(e)
     {
-        console.error(e);
+        if (e instanceof Error)
+            console.error(e.stack);
+        else
+            console.error(e);
         callback();
     }
 }
 
 Promise.prototype.done = function()
 {
-    this.catch(console.error.bind(console));
+    /**
+     * @param {*} e
+     */
+    function reportError(e)
+    {
+        if (e instanceof Error)
+            console.error(e.stack);
+        else
+            console.error(e);
+    }
+    this.catch(reportError);
 }
 
 /**

third_party/WebKit/Source/devtools/front_end/common/utilities.js

@@ -1749,6 +1749,6 @@ function suppressUnused(value)
  */
 self.setImmediate = function(callback)
 {
-    Promise.resolve().then(callback).catch(console.error.bind(console));
+    Promise.resolve().then(callback).done();
     return 0;
 }

third_party/WebKit/Source/devtools/front_end/externs.js

@@ -466,7 +466,7 @@ ErrorEvent.prototype.message;
 window.dispatchStandaloneTestRunnerMessages;
 
 /**
- * @param {function()} onCatch
+ * @param {function(*)} onCatch
  */
 Promise.prototype.catch = function(onCatch) {};