Refactor guest view availability to be API not permission based.

extensions/browser/process_map.cc

 // Copyright 2013 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 "extensions/browser/process_map.h"
 
 #include "content/public/browser/child_process_security_policy.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/process_map_factory.h"
 #include "extensions/common/extension.h"
@@ skipping 105 matching lines @@
 std::set<std::string> ProcessMap::GetExtensionsInProcess(int process_id) const {
   std::set<std::string> result;
   for (ItemSet::const_iterator iter = items_.begin(); iter != items_.end();
        ++iter) {
     if (iter->process_id == process_id)
       result.insert(iter->extension_id);
   }
   return result;
 }
 
-Feature::Context ProcessMap::GuessContextType(const Extension* extension,
-                                              int process_id) const {
+Feature::Context ProcessMap::GetMostLikelyContextType(
+    const Extension* extension,
+    int process_id) const {
   // WARNING: This logic must match Dispatcher::ClassifyJavaScriptContext, as
   // much as possible.
 
   if (content::ChildProcessSecurityPolicy::GetInstance()->HasWebUIBindings(
           process_id)) {
     return Feature::WEBUI_CONTEXT;
   }
 
   if (!extension) {
     return Feature::WEB_PAGE_CONTEXT;
   }
 
   if (!Contains(extension->id(), process_id)) {
     // This could equally be UNBLESSED_EXTENSION_CONTEXT, but we don't record
     // which processes have extension frames in them.
     // TODO(kalman): Investigate this.
     return Feature::CONTENT_SCRIPT_CONTEXT;
   }
 
   if (extension->is_hosted_app() &&
       extension->location() != Manifest::COMPONENT) {
     return Feature::BLESSED_WEB_PAGE_CONTEXT;
   }
 
   return Feature::BLESSED_EXTENSION_CONTEXT;
 }
 
 }  // namespace extensions