[gjs] coverage: Use a local for fetchStatistics

[Jasper St. Pierre <jstpierre src gnome org>]

commit e9256b00a188c82aa8b8a383cc222f82a4b67abc
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Feb 3 13:25:31 2014 -0500

    coverage: Use a local for fetchStatistics
    
    Rather than going half-way across the world for it...

 modules/coverage.js |   18 ++++++------------
 1 files changed, 6 insertions(+), 12 deletions(-)
---
diff --git a/modules/coverage.js b/modules/coverage.js
index 9c26d9a..b4ad9a8 100644
--- a/modules/coverage.js
+++ b/modules/coverage.js
@@ -679,32 +679,26 @@ function CoverageStatisticsContainer(files) {
  * Debugger which in turn depends on objects injected in from another compartment */
 function CoverageStatistics(files) {
     this.container = new CoverageStatisticsContainer(files);
+    let fetchStatistics = this.container.fetchStatistics.bind(this.container);
 
     /* 'debuggee' comes from the invocation from
      * a separate compartment inside of coverage.cpp */
     this.dbg = new Debugger(debuggee);
-    this.dbg.fetchStatistics = function(statisticsContainer) {
-        let container = statisticsContainer;
-        return function (filename) {
-            return container.fetchStatistics(filename);
-        }
-    } (this.container);
 
     this.getNumberOfLinesFor = function(filename) {
-        return this.container.fetchStatistics(filename).nLines;
+        return fetchStatistics(filename).nLines;
     };
 
     this.getExecutedLinesFor = function(filename) {
-        return this.container.fetchStatistics(filename).expressionCounters;
+        return fetchStatistics(filename).expressionCounters;
     };
 
     this.getBranchesFor = function(filename) {
-        return this.container.fetchStatistics(filename).branchCounters;
+        return fetchStatistics(filename).branchCounters;
     };
 
     this.getFunctionsFor = function(filename) {
-        let functionCounters = this.container.fetchStatistics(filename).functionCounters;
-
+        let functionCounters = fetchStatistics(filename).functionCounters;
         return _convertFunctionCountersToArray(functionCounters);
     };
 
@@ -712,7 +706,7 @@ function CoverageStatistics(files) {
         let statistics;
 
         try {
-            statistics = this.fetchStatistics(frame.script.url);
+            statistics = fetchStatistics(frame.script.url);
         } catch (e) {
             /* We don't care about this frame, return */
             return undefined;