Remove wchar/wstring version of StringPrintf.

chrome/browser/diagnostics/diagnostics_main.cc

Index: chrome/browser/diagnostics/diagnostics_main.cc
diff --git a/chrome/browser/diagnostics/diagnostics_main.cc b/chrome/browser/diagnostics/diagnostics_main.cc
index 96212e4809b9f66ad983e7ef6f810e68fc928f48..a6ae875e426f204b7293ba8a2897ea1bc0e66b92 100644
--- a/chrome/browser/diagnostics/diagnostics_main.cc
+++ b/chrome/browser/diagnostics/diagnostics_main.cc
@@ -246,13 +246,13 @@ class TestWriter {
 std::wstring PrintableUSCurrentTime() {
   base::Time::Exploded exploded = {0};
   base::Time::Now().UTCExplode(&exploded);
-  return base::StringPrintf(L"%d:%d:%d.%d:%d:%d",
-                            exploded.year,
-                            exploded.month,
-                            exploded.day_of_month,
-                            exploded.hour,
-                            exploded.minute,
-                            exploded.second);
+  return ASCIIToWide(base::StringPrintf("%d:%d:%d.%d:%d:%d",
+                                        exploded.year,
+                                        exploded.month,
+                                        exploded.day_of_month,
+                                        exploded.hour,
+                                        exploded.minute,
+                                        exploded.second));
 }
 
 // This class is a basic test controller. In this design the view (TestWriter)
@@ -282,8 +282,8 @@ class TestController : public DiagnosticsModel::Observer {
     }
     ResourceBundle::InitSharedInstanceWithLocale(std::string(), NULL);
     int count = model->GetTestAvailableCount();
-    writer_->WriteInfoText(base::StringPrintf(
-        L"%d available test(s)\n\n", count));
+    writer_->WriteInfoText(ASCIIToWide(base::StringPrintf(
+        "%d available test(s)\n\n", count)));
     model->RunAll(this);
   }
 
@@ -302,8 +302,8 @@ class TestController : public DiagnosticsModel::Observer {
 
   virtual void OnDoneAll(DiagnosticsModel* model) {
     if (writer_->failures() > 0) {
-      writer_->WriteInfoText(base::StringPrintf(
-          L"DONE. %d failure(s)\n\n", writer_->failures()));
+      writer_->WriteInfoText(ASCIIToWide(base::StringPrintf(
+          "DONE. %d failure(s)\n\n", writer_->failures())));
     } else {
       writer_->WriteInfoText(L"DONE\n\n");
     }