Change Isolate Extensions to be off by default.

chrome/browser/extensions/process_manager_browsertest.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 <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 716 matching lines @@
   EXPECT_TRUE(policy->CanRequestURL(
       main_frame->GetProcess()->GetID(),
       GURL("filesystem:chrome-extension://some-extension-id/some-path")));
   EXPECT_TRUE(policy->CanRequestURL(
       extension_frame->GetProcess()->GetID(),
       GURL("chrome-extension://some-extension-id/resource.html")));
   EXPECT_TRUE(policy->CanRequestURL(
       main_frame->GetProcess()->GetID(),
       GURL("chrome-extension://some-extension-id/resource.html")));
 
-  EXPECT_TRUE(policy->CanCommitURL(
-      extension_frame->GetProcess()->GetID(),
-      GURL("blob:chrome-extension://some-extension-id/some-guid")));
-  EXPECT_FALSE(policy->CanCommitURL(
-      main_frame->GetProcess()->GetID(),
-      GURL("blob:chrome-extension://some-extension-id/some-guid")));
-  EXPECT_TRUE(policy->CanCommitURL(
-      extension_frame->GetProcess()->GetID(),
-      GURL("chrome-extension://some-extension-id/resource.html")));
-  EXPECT_FALSE(policy->CanCommitURL(
-      main_frame->GetProcess()->GetID(),
-      GURL("chrome-extension://some-extension-id/resource.html")));
-  EXPECT_TRUE(policy->CanCommitURL(
-      extension_frame->GetProcess()->GetID(),
-      GURL("filesystem:chrome-extension://some-extension-id/some-path")));
-  EXPECT_FALSE(policy->CanCommitURL(
-      main_frame->GetProcess()->GetID(),
-      GURL("filesystem:chrome-extension://some-extension-id/some-path")));
+  if (extensions::IsIsolateExtensionsEnabled()) {
+    EXPECT_TRUE(policy->CanCommitURL(
+        extension_frame->GetProcess()->GetID(),
+        GURL("blob:chrome-extension://some-extension-id/some-guid")));
+    EXPECT_FALSE(policy->CanCommitURL(
+        main_frame->GetProcess()->GetID(),
+        GURL("blob:chrome-extension://some-extension-id/some-guid")));
+    EXPECT_TRUE(policy->CanCommitURL(
+        extension_frame->GetProcess()->GetID(),
+        GURL("chrome-extension://some-extension-id/resource.html")));
+    EXPECT_FALSE(policy->CanCommitURL(
+        main_frame->GetProcess()->GetID(),
+        GURL("chrome-extension://some-extension-id/resource.html")));
+    EXPECT_TRUE(policy->CanCommitURL(
+        extension_frame->GetProcess()->GetID(),
+        GURL("filesystem:chrome-extension://some-extension-id/some-path")));
+    EXPECT_FALSE(policy->CanCommitURL(
+        main_frame->GetProcess()->GetID(),
+        GURL("filesystem:chrome-extension://some-extension-id/some-path")));
+  }
 
   // Open a new about:blank popup from main frame.  This should stay in the web
   // process.
   content::WebContents* popup =
       OpenPopup(main_frame, GURL(url::kAboutBlankURL));
   EXPECT_NE(popup, tab);
   ASSERT_EQ(2, browser()->tab_strip_model()->count());
   EXPECT_EQ(IfExtensionsIsolated(1, 0),
             pm->GetRenderFrameHostsForExtension(extension->id()).size());
   EXPECT_EQ(IfExtensionsIsolated(1, 0), pm->GetAllFrames().size());
@@ skipping 296 matching lines @@
   EXPECT_TRUE(ExecuteScriptAndExtractBool(
       popup, "window.domAutomationController.send(!!window.opener)",
       &is_opener_defined));
   EXPECT_TRUE(is_opener_defined);
 
   // Verify that postMessage to window.opener works.
   VerifyPostMessageToOpener(popup->GetMainFrame(), extension_frame);
 }
 
 }  // namespace extensions