Make image_decoder a Leaky LazyInstance

chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc

Index: chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
diff --git a/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc b/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
index 6468b8a60906abd39f61a4c7eb55aef650506e13..73513c87ba68e4a9ee3bc3bb1e2aa8c99aecbb1c 100644
--- a/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
+++ b/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
@@ -78,14 +78,13 @@ class BitmapFetcherServiceTest : public testing::Test,
     image.allocN32Pixels(2, 2);
     image.eraseColor(SK_ColorGREEN);
 
-    const_cast<chrome::BitmapFetcher*>(fetcher)->OnImageDecoded(NULL, image);
+    const_cast<chrome::BitmapFetcher*>(fetcher)->OnImageDecoded(image);
   }
 
   void FailFetch(const GURL& url) {
     const chrome::BitmapFetcher* fetcher = service_->FindFetcherForUrl(url);
     ASSERT_TRUE(NULL != fetcher);
-    const_cast<chrome::BitmapFetcher*>(fetcher)
-        ->OnImageDecoded(NULL, SkBitmap());
+    const_cast<chrome::BitmapFetcher*>(fetcher)->OnImageDecoded(SkBitmap());
   }
 
  protected: