Special case the gallery to not show the scary download roadblock.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 7b39253bd637079e2dbd624c349cfba2188aeece..93428a5828b7f9b3cc3c0f5a2d98839c75d12ab8 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -86,9 +86,6 @@ static const wchar_t* kValidThemeKeys[] = {
   keys::kUpdateURL
 };
 
-const char* Extension::kGalleryBrowseUrl =
-    "https://chrome.google.com/extensions";
-
 #if defined(OS_WIN)
 const char* Extension::kExtensionRegistryPath =
     "Software\\Google\\Chrome\\Extensions";