Polish the result communication and display of the browsing data counters.

chrome/browser/browsing_data/cache_counter_browsertest.cc

Index: chrome/browser/browsing_data/cache_counter_browsertest.cc
diff --git a/chrome/browser/browsing_data/cache_counter_browsertest.cc b/chrome/browser/browsing_data/cache_counter_browsertest.cc
index a156c73d7aa58edb5ac041bd1a823334a31a88cc..ee8a63c42ab018717d621dbd73c9a475355df9c4 100644
--- a/chrome/browser/browsing_data/cache_counter_browsertest.cc
+++ b/chrome/browser/browsing_data/cache_counter_browsertest.cc
@@ -129,11 +129,13 @@ class CacheCounterTest : public InProcessBrowserTest {
   }
 
   // Callback from the counter.
-  void CountingCallback(bool finished, BrowsingDataCounter::ResultInt count) {
+  void CountingCallback(scoped_ptr<BrowsingDataCounter::Result> result) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
-    finished_ = finished;
-    result_ = count;
-    if (run_loop_ && finished)
+
+    finished_ = result->finished();
+    result_ = result->value();
+
+    if (run_loop_ && finished_)
       run_loop_->Quit();
   }