Revert 94715 - Revert 94714 - Improve layout for bookmark-apps. Add treatment for small icons.

chrome/browser/ui/webui/extension_icon_source.cc

Index: chrome/browser/ui/webui/extension_icon_source.cc
diff --git a/chrome/browser/ui/webui/extension_icon_source.cc b/chrome/browser/ui/webui/extension_icon_source.cc
index 482c3ee175cb0cb47d54437de1dee61c25918296..129fa1dada486c5ad067f0194f4122be70f400ff 100644
--- a/chrome/browser/ui/webui/extension_icon_source.cc
+++ b/chrome/browser/ui/webui/extension_icon_source.cc
@@ -75,10 +75,16 @@ ExtensionIconSource::~ExtensionIconSource() {
 GURL ExtensionIconSource::GetIconURL(const Extension* extension,
                                      Extension::Icons icon_size,
                                      ExtensionIconSet::MatchType match,
-                                     bool grayscale) {
+                                     bool grayscale,
+                                     bool* exists) {
+  if (exists)
+    *exists = true;
   if (extension->id() == extension_misc::kWebStoreAppId)
     return GURL("chrome://theme/IDR_WEBSTORE_ICON");
 
+  if (exists && extension->GetIconURL(icon_size, match) == GURL())
+    *exists = false;
+
   GURL icon_url(base::StringPrintf("%s%s/%d/%d%s",
                                    chrome::kChromeUIExtensionIconURL,
                                    extension->id().c_str(),