Reland r57788 - Expose Extension Bindings to Component Applications

chrome/browser/extensions/extensions_service.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extensions_service.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/histogram.h"
@@ skipping 1239 matching lines @@
 }
 
 Extension* ExtensionsService::GetExtensionByWebExtent(const GURL& url) {
   for (size_t i = 0; i < extensions_.size(); ++i) {
     if (extensions_[i]->web_extent().ContainsURL(url))
       return extensions_[i];
   }
   return NULL;
 }
 
+bool ExtensionsService::ExtensionBindingsAllowed(const GURL& url) {
+  // Allow bindings for all packaged extension.
+  if (GetExtensionByURL(url))
+    return true;
+
+  // Allow bindings for all component, hosted apps.
+  Extension* extension = GetExtensionByWebExtent(url);
+  return (extension && extension->location() == Extension::COMPONENT);
+}
+
 Extension* ExtensionsService::GetExtensionByOverlappingWebExtent(
     const ExtensionExtent& extent) {
   for (size_t i = 0; i < extensions_.size(); ++i) {
     if (extensions_[i]->web_extent().OverlapsWith(extent))
       return extensions_[i];
   }
 
   return NULL;
 }
 
@@ skipping 337 matching lines @@
   // Finish installing on UI thread.
   ChromeThread::PostTask(
       ChromeThread::UI, FROM_HERE,
       NewRunnableMethod(
           frontend_,
           &ExtensionsService::ContinueLoadAllExtensions,
           extensions_to_reload,
           start_time,
           true));
 }