Move GetWebstoreLaunchURL and GetWebstoreItemDetailURLPrefix to extensions/common/extension_urls.h.

chrome/common/extensions/manifest_url_handler.cc

Index: chrome/common/extensions/manifest_url_handler.cc
diff --git a/chrome/common/extensions/manifest_url_handler.cc b/chrome/common/extensions/manifest_url_handler.cc
index 538f1a9bf81d9f10a5af49f198872621caf15130..2531ffd4604ec9888f451a04abba007497a79c4d 100644
--- a/chrome/common/extensions/manifest_url_handler.cc
+++ b/chrome/common/extensions/manifest_url_handler.cc
@@ -17,6 +17,7 @@
 #include "chrome/common/extensions/permissions/permissions_data.h"
 #include "chrome/common/url_constants.h"
 #include "extensions/common/error_utils.h"
+#include "extensions/common/extension_urls.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/permissions/api_permission.h"
@@ -57,7 +58,7 @@ const GURL ManifestURL::GetHomepageURL(const Extension* extension) {
   if (homepage_url.is_valid())
     return homepage_url;
   return UpdatesFromGallery(extension) ?
-      GURL(extension_urls::GetWebstoreItemDetailURLPrefix() + extension->id()) :
+      GURL(GetWebstoreItemDetailURLPrefix() + extension->id()) :
       GURL::EmptyGURL();
 }
 
@@ -79,7 +80,7 @@ const GURL& ManifestURL::GetOptionsPage(const Extension* extension) {
 // static
 const GURL ManifestURL::GetDetailsURL(const Extension* extension) {
   return extension->from_webstore() ?
-      GURL(extension_urls::GetWebstoreItemDetailURLPrefix() + extension->id()) :
+      GURL(GetWebstoreItemDetailURLPrefix() + extension->id()) :
       GURL::EmptyGURL();
 }