Devtools: resolve expressions in minified scripts with sourcemaps

third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js b/third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js
index 2b76cbabd63ce62f2aebdbe4fbb9462cd2439ed5..133848709218cd3deedb69090bb18e14fbddbc94 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js
@@ -228,7 +228,7 @@ WebInspector.SourceMap.prototype = {
      */
     firstSourceLineMapping: function(sourceURL, lineNumber)
     {
-        var mappings = this._reversedMappings(sourceURL);
+        var mappings = this.reversedMappings(sourceURL);
         var index = mappings.lowerBound(lineNumber, lineComparator);
         if (index >= mappings.length || mappings[index].sourceLineNumber !== lineNumber)
             return null;
@@ -257,7 +257,7 @@ WebInspector.SourceMap.prototype = {
      * @param {string} sourceURL
      * @return {!Array.<!WebInspector.SourceMap.Entry>}
      */
-    _reversedMappings: function(sourceURL)
+    reversedMappings: function(sourceURL)
     {
         var mappings = this._reverseMappingsBySourceURL.get(sourceURL);
         if (!mappings)
@@ -277,7 +277,13 @@ WebInspector.SourceMap.prototype = {
         {
             if (a.sourceLineNumber !== b.sourceLineNumber)
                 return a.sourceLineNumber - b.sourceLineNumber;
-            return a.sourceColumnNumber - b.sourceColumnNumber;
+            if (a.sourceColumnNumber !== b.sourceColumnNumber)
+                return a.sourceColumnNumber - b.sourceColumnNumber;
+
+            if (a.lineNumber !== b.lineNumber)
+                return a.lineNumber - b.lineNumber;
+
+            return a.columnNumber - b.columnNumber;
         }
     },