Modify --isolate-extensions to not isolate hosted apps.

chrome/browser/chrome_content_browser_client.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 50 matching lines @@
   void GetStoragePartitionConfigForSite(
       content::BrowserContext* browser_context,
       const GURL& site,
       bool can_be_default,
       std::string* partition_domain,
       std::string* partition_name,
       bool* in_memory) override;
   content::WebContentsViewDelegate* GetWebContentsViewDelegate(
       content::WebContents* web_contents) override;
   void RenderProcessWillLaunch(content::RenderProcessHost* host) override;
+  GURL GetEffectiveURL(content::BrowserContext* browser_context,
+                       const GURL& url) override;
   bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
                                const GURL& effective_url) override;
+  bool DoesSiteRequireDedicatedProcess(content::BrowserContext* browser_context,
+                                       const GURL& effective_url) override;
   bool ShouldLockToOrigin(content::BrowserContext* browser_context,
                           const GURL& effective_site_url) override;
-  GURL GetEffectiveURL(content::BrowserContext* browser_context,
-                       const GURL& url) override;
   void GetAdditionalWebUISchemes(
       std::vector<std::string>* additional_schemes) override;
   void GetAdditionalWebUIHostsToIgnoreParititionCheck(
       std::vector<std::string>* hosts) override;
   bool LogWebUIUrl(const GURL& web_ui_url) const override;
   net::URLRequestContextGetter* CreateRequestContext(
       content::BrowserContext* browser_context,
       content::ProtocolHandlerMap* protocol_handlers,
       content::URLRequestInterceptorScopedVector request_interceptors) override;
   net::URLRequestContextGetter* CreateRequestContextForStoragePartition(
@@ skipping 246 matching lines @@
   // Vector of additional ChromeContentBrowserClientParts.
   // Parts are deleted in the reverse order they are added.
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_