DevTools: Add color swatches to Sources panel

third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js

Index: third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
diff --git a/third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js b/third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
index 51bc5562847791c2893962fcfa54ffad9ced9824..b1418dfd97fe521e70556f9aea52e445707edc08 100644
--- a/third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
+++ b/third_party/WebKit/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
@@ -1006,6 +1006,19 @@ WebInspector.CodeMirrorTextEditor.prototype = {
     },
 
     /**
+     * @param {number} lineNumber
+     * @param {number} columnNumber
+     * @param {?Element} element

[lushnikov, 2016/07/12 22:38:45]

can we make it non-nullable? The less nullable types, the better

[flandy, 2016/07/13 18:14:56]

Yes, done.

+     * @return {!Object}

[lushnikov, 2016/07/12 22:38:45]

let's introduce a type for this. (look at externs.js for some type examples)

[flandy, 2016/07/13 18:14:57]

This should be {!CodeMirror.TextMarker}. I've introduced CodeMirror.TextMarker
into externs.js.

+     */
+    addBookmark: function(lineNumber, columnNumber, element)
+    {
+        return this._codeMirror.setBookmark(new CodeMirror.Pos(lineNumber, columnNumber), {
+            widget: element
+        });
+    },
+
+    /**
      * @override
      * @return {!Element}
      */