Initial inline web store install bindings.

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 1b623538d0ce3e7064f8213bb0938268844e8943..6e5c0f29d89363d2a3f7a5aee95d4e0ca7290236 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -2338,6 +2338,11 @@ std::string Extension::ChromeStoreLaunchURL() {
   return gallery_prefix;
 }
 
+// static
+std::string Extension::ChromeStoreItemDetailURLPrefix() {
+  return ChromeStoreLaunchURL() + "/detail/";
+}
+
 GURL Extension::GetHomepageURL() const {
   if (homepage_url_.is_valid())
     return homepage_url_;
@@ -2345,10 +2350,7 @@ GURL Extension::GetHomepageURL() const {
   if (!UpdatesFromGallery())
     return GURL();
 
-  // TODO(erikkay): This may not be entirely correct with the webstore.
-  // I think it will have a mixture of /extensions/detail and /webstore/detail
-  // URLs.  Perhaps they'll handle this nicely with redirects?
-  GURL url(ChromeStoreLaunchURL() + std::string("/detail/") + id());
+  GURL url(ChromeStoreItemDetailURLPrefix() + id());
   return url;
 }