[builtins] Migrate escape/unescape from uri.js to C++.

src/bootstrapper.cc

 // Copyright 2014 the V8 project 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 "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 2836 matching lines @@
                         Builtins::kGlobalDecodeURIComponent, 1, false);
 
   // Install Global.encodeURI.
   SimpleInstallFunction(global_object, "encodeURI", Builtins::kGlobalEncodeURI,
                         1, false);
 
   // Install Global.encodeURIComponent.
   SimpleInstallFunction(global_object, "encodeURIComponent",
                         Builtins::kGlobalEncodeURIComponent, 1, false);
 
+  // Install Global.escape.
+  SimpleInstallFunction(global_object, "escape", Builtins::kGlobalEscape, 1,
+                        false);
+
+  // Install Global.unescape.
+  SimpleInstallFunction(global_object, "unescape", Builtins::kGlobalUnescape, 1,
+                        false);
+
   // Install Global.eval.
   {
     Handle<JSFunction> eval =
         SimpleInstallFunction(global_object, factory()->eval_string(),
                               Builtins::kGlobalEval, 1, false);
     native_context()->set_global_eval_fun(*eval);
   }
 
   // Install Array.prototype.concat
   {
@@ skipping 935 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8