Add a new GetInstance() method for singleton classes used in chrome/browser files.

chrome/browser/translate/translate_manager.cc

Index: chrome/browser/translate/translate_manager.cc
diff --git a/chrome/browser/translate/translate_manager.cc b/chrome/browser/translate/translate_manager.cc
index a415749485f2182d664ca9eca880d722c780a4ef..cf560c0412c224bb559df0afa9bc12079b87c9d8 100644
--- a/chrome/browser/translate/translate_manager.cc
+++ b/chrome/browser/translate/translate_manager.cc
@@ -8,6 +8,7 @@
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram.h"
+#include "base/singleton.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_list.h"
@@ -145,6 +146,11 @@ TranslateManager::~TranslateManager() {
 }
 
 // static
+TranslateManager* TranslateManager::GetInstance() {
+  return Singleton<TranslateManager>::get();
+}
+
+// static
 bool TranslateManager::IsTranslatableURL(const GURL& url) {
   return !url.SchemeIs("chrome") && !url.SchemeIs("ftp");
 }