Log messages regarding why app banners aren't displayed to the console

chrome/browser/banners/app_banner_data_fetcher_unittest.cc

Index: chrome/browser/banners/app_banner_data_fetcher_unittest.cc
diff --git a/chrome/browser/banners/app_banner_data_fetcher_unittest.cc b/chrome/browser/banners/app_banner_data_fetcher_unittest.cc
index 2254130433b6c01e5066a7bc7d6489e2f5686cfa..00e8a9e9d96d01ada3102fbe2c08444c61cc1c8b 100644
--- a/chrome/browser/banners/app_banner_data_fetcher_unittest.cc
+++ b/chrome/browser/banners/app_banner_data_fetcher_unittest.cc
@@ -33,7 +33,9 @@ class AppBannerDataFetcherUnitTest : public testing::Test {
   }
 
   static bool IsManifestValid(const content::Manifest& manifest) {
-    return AppBannerDataFetcher::IsManifestValidForWebApp(manifest);
+    // second argument is the web_contents pointer to allow debug logging
+    // to the console. logging doesn't take place if the pointer is null

[benwells, 2015/05/11 08:08:40]

Please use proper case, class names and grammar in your comments. E.g.:
'The second argument is the WebContents pointer .... Logging doesn't take place
if the ...'.

[dominickn (DO NOT USE), 2015/05/12 07:41:31]

Done.

+    return AppBannerDataFetcher::IsManifestValidForWebApp(manifest, nullptr);
   }
 };