Remove TimelinePresentationModel.Record.childHasWarning

The functionlity is already supported by presentation record.

BUG=None
R=loislo@chromium.org

Review URL: https://codereview.chromium.org/306123009

git-svn-id: svn://svn.chromium.org/blink/trunk@175265 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/timeline/TimelineFlameChart.js

@@ -341,7 +341,7 @@ WebInspector.TimelineFlameChartDataProvider.prototype = {
             }
         }
 
-        if (record.warnings() || record.childHasWarnings()) {
+        if (record.warnings()) {
             context.save();
 
             context.rect(barX, barY, barWidth, this.barHeight());
@@ -367,7 +367,7 @@ WebInspector.TimelineFlameChartDataProvider.prototype = {
     forceDecoration: function(entryIndex)
     {
         var record = this._records[entryIndex];
-        return record.childHasWarnings() || !!record.warnings();
+        return !!record.warnings();
     },
 
     /**

third_party/WebKit/Source/devtools/front_end/timeline/TimelineModel.js

@@ -662,11 +662,6 @@ WebInspector.TimelineModel.Record.prototype = {
      */
     warnings: function() { },
 
-    /**
-     * @return {boolean}
-     */
-    childHasWarnings: function() { },
-
     /**
      * @param {!RegExp} regExp
      * @return {boolean}
@@ -930,13 +925,9 @@ WebInspector.TimelineModel.RecordImpl.prototype = {
      */
     addWarning: function(message)
     {
-        if (this._warnings)
-            this._warnings.push(message);
-        else {
-            this._warnings = [message];
-            for (var parent = this.parent; parent && !parent._childHasWarnings; parent = parent.parent)
-                parent._childHasWarnings = true;
-        }
+        if (!this._warnings)
+            this._warnings = [];
+        this._warnings.push(message);
     },
 
     /**
@@ -947,14 +938,6 @@ WebInspector.TimelineModel.RecordImpl.prototype = {
         return this._warnings;
     },
 
-    /**
-     * @return {boolean}
-     */
-    childHasWarnings: function()
-    {
-        return !!this._childHasWarnings;
-    },
-
     /**
      * @param {!RegExp} regExp
      * @return {boolean}