Revert of Lock down the registration of blob:chrome-extension:// URLs

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index f01cf1c99c1ce20d112f9abd355c1e7423361395..3d002dad6f012a3bcbe1518e242a79e8630b9a7b 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -78,7 +78,6 @@
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/chrome_extensions_client.h"
-#include "chrome/common/extensions/extension_process_policy.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/switch_utils.h"
@@ -221,22 +220,10 @@
       net_log_path, GetNetCaptureModeFromCommandLine(command_line),
       command_line.GetCommandLineString(), chrome::GetChannelString()));
 
-#if defined(ENABLE_EXTENSIONS)
-  if (extensions::IsIsolateExtensionsEnabled()) {
-    // chrome-extension:// URLs are safe to request anywhere, but may only
-    // commit (including in iframes) in extension processes.
-    ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeIsolatedScheme(
-        extensions::kExtensionScheme, true);
-    // TODO(nick): Kill off kExtensionResourceScheme.
-    ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeIsolatedScheme(
-        extensions::kExtensionResourceScheme, false);
-  } else {
-    ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
-        extensions::kExtensionScheme);
-    ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
-        extensions::kExtensionResourceScheme);
-  }
-#endif
+  ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
+      extensions::kExtensionScheme);
+  ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
+      extensions::kExtensionResourceScheme);
   ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
       chrome::kChromeSearchScheme);