Mojo C++ bindings: make the generator use STL/WTF string/vector/map by default.

url/url.gyp

Index: url/url.gyp
diff --git a/url/url.gyp b/url/url.gyp
index a7e5b02d4d8e2d982779160470a3c8d45b11e729..984dc6707274dbe9d748e1fa279c0e8903e3fff6 100644
--- a/url/url.gyp
+++ b/url/url.gyp
@@ -130,6 +130,7 @@
           'mojo/gurl.typemap',
           'mojo/origin.typemap',
         ],
+        'use_new_wrapper_types': 'false',
       },
       'includes': [ '../mojo/mojom_bindings_generator_explicit.gypi' ],
     },
@@ -162,6 +163,7 @@
           'mojo/gurl.typemap',
           'mojo/origin.typemap',
         ],
+        'use_new_wrapper_types': 'false',
       },
       'includes': [ '../mojo/mojom_bindings_generator_explicit.gypi' ],
       'dependencies': [
@@ -235,6 +237,7 @@
               '../third_party/WebKit/Source/platform/mojo/KURL.typemap',
               '../third_party/WebKit/Source/platform/mojo/SecurityOrigin.typemap',
             ],
+            'use_new_wrapper_types': 'false',
           },
           'includes': [ '../mojo/mojom_bindings_generator_explicit.gypi' ],
         },
@@ -264,6 +267,7 @@
               '../third_party/WebKit/Source/platform/mojo/KURL.typemap',
               '../third_party/WebKit/Source/platform/mojo/SecurityOrigin.typemap',
             ],
+            'use_new_wrapper_types': 'false',
           },
           'includes': [ '../mojo/mojom_bindings_generator_explicit.gypi' ],
           'dependencies': [