Don't show download arrow animation for extensions

chrome/browser/browser.cc

Index: chrome/browser/browser.cc
diff --git a/chrome/browser/browser.cc b/chrome/browser/browser.cc
index 52eedaddd615977c8d4b74a9b8f02d385fb7235e..b742599280babf9ebf662303cb51c3f5bf180738 100644
--- a/chrome/browser/browser.cc
+++ b/chrome/browser/browser.cc
@@ -2240,13 +2240,19 @@ void Browser::OnStartDownload(DownloadItem* download) {
   window()->GetDownloadShelf()->AddDownload(new DownloadItemModel(download));
 
   // Don't show the animation for "Save file" downloads.
-  if (download->total_bytes() > 0) {
-    TabContents* current_tab = GetSelectedTabContents();
-    // We make this check for the case of minimized windows, unit tests, etc.
-    if (platform_util::IsVisible(current_tab->GetNativeView()) &&
-        Animation::ShouldRenderRichAnimation())
-      DownloadStartedAnimation::Show(current_tab);
-  }
+  if (download->total_bytes() <= 0)
+    return;
+  
+  // For non-theme extensions, we don't show the download animation.
+  if (DownloadManager::IsExtensionInstall(download) &&
+      !ExtensionsService::IsDownloadFromMiniGallery(download->url()))
+    return;
+
+  TabContents* current_tab = GetSelectedTabContents();
+  // We make this check for the case of minimized windows, unit tests, etc.
+  if (platform_util::IsVisible(current_tab->GetNativeView()) &&
+      Animation::ShouldRenderRichAnimation())
+    DownloadStartedAnimation::Show(current_tab);
 }
 
 void Browser::ConfirmAddSearchProvider(const TemplateURL* template_url,