Update extension install prompt to reflect withheld permissions

chrome/browser/extensions/bundle_installer.cc

Index: chrome/browser/extensions/bundle_installer.cc
diff --git a/chrome/browser/extensions/bundle_installer.cc b/chrome/browser/extensions/bundle_installer.cc
index 66ffe0c22408d28fd704a308badab3928151e08a..7e1da33828fe711e3b58f3ed32ce176e12fa9c75 100644
--- a/chrome/browser/extensions/bundle_installer.cc
+++ b/chrome/browser/extensions/bundle_installer.cc
@@ -13,6 +13,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/crx_installer.h"
+#include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -40,19 +41,26 @@ AutoApproveForTest g_auto_approve_for_test = DO_NOT_SKIP;
 
 // Creates a dummy extension and sets the manifest's name to the item's
 // localized name.
-scoped_refptr<Extension> CreateDummyExtension(const BundleInstaller::Item& item,
-                                              base::DictionaryValue* manifest) {
+scoped_refptr<Extension> CreateDummyExtension(
+    const BundleInstaller::Item& item,
+    base::DictionaryValue* manifest,
+    content::BrowserContext* browser_context) {
   // We require localized names so we can have nice error messages when we can't
   // parse an extension manifest.
   CHECK(!item.localized_name.empty());
 
   std::string error;
-  return Extension::Create(base::FilePath(),
-                           Manifest::INTERNAL,
-                           *manifest,
-                           Extension::NO_FLAGS,
-                           item.id,
-                           &error);
+  scoped_refptr<Extension> extension = Extension::Create(base::FilePath(),
+                                                         Manifest::INTERNAL,
+                                                         *manifest,
+                                                         Extension::NO_FLAGS,
+                                                         item.id,
+                                                         &error);
+  // Initialize permissions so that withheld permissions don't end up in the
+  // install prompt.
+  PermissionsUpdater(browser_context).InitializePermissions(
+      extension.get(), PermissionsUpdater::INIT_FLAG_TRANSIENT);
+  return extension;
 }
 
 bool IsAppPredicate(scoped_refptr<const Extension> extension) {
@@ -295,7 +303,8 @@ void BundleInstaller::OnWebstoreParseSuccess(
     const std::string& id,
     const SkBitmap& icon,
     base::DictionaryValue* manifest) {
-  dummy_extensions_.push_back(CreateDummyExtension(items_[id], manifest));
+  dummy_extensions_.push_back(
+      CreateDummyExtension(items_[id], manifest, profile_));
   parsed_manifests_[id] = linked_ptr<base::DictionaryValue>(manifest);
 
   ShowPromptIfDoneParsing();