[DevTools] Don't load sourcemap for blackboxed scripts

third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js

Index: third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js b/third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js
index 4841b8bd2552e87c53e75ba3fa6bc9ab2cdc627d..6a87b32ded18137615e36ba835db963b0260ec48 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.js
@@ -162,6 +162,10 @@ WebInspector.JavaScriptSourceFrame.prototype = {
         this._blackboxInfobar = infobar;
 
         infobar.createDetailsRowMessage(WebInspector.UIString("Debugger will skip stepping through this script, and will not stop on exceptions"));
+
+        var scriptFile = this._scriptFileForTarget.valuesArray()[0];
+        if (scriptFile.hasSourceMapURL())
+            infobar.createDetailsRowMessage(WebInspector.UIString("SourceMap will be ignored for this file."));

[paulirish, 2016/02/22 18:47:41]

"Source map found, but ignored for blackboxed file."

         infobar.createDetailsRowMessage();
         infobar.createDetailsRowMessage(WebInspector.UIString("Possible ways to cancel this behavior are:"));
 
@@ -348,6 +352,8 @@ WebInspector.JavaScriptSourceFrame.prototype = {
             if (this.uiSourceCode().project().type() === WebInspector.projectTypes.Network && WebInspector.moduleSetting("jsSourceMapsEnabled").get()) {
                 if (this._scriptFileForTarget.size) {
                     var scriptFile = this._scriptFileForTarget.valuesArray()[0];
+                    if (scriptFile.isBlackboxed())
+                        return;
                     var addSourceMapURLLabel = WebInspector.UIString.capitalize("Add ^source ^map\u2026");
                     contextMenu.appendItem(addSourceMapURLLabel, addSourceMapURL.bind(null, scriptFile));
                     contextMenu.appendSeparator();