Replace Handle<> with Local in remaining gin/*

gin/converter_unittest.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 "gin/converter.h"
 
 #include <limits.h>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 61 matching lines @@
   HandleScope handle_scope(instance_->isolate());
 
   int test_data_to[] = {-1, 0, 1};
   for (size_t i = 0; i < arraysize(test_data_to); ++i) {
     EXPECT_TRUE(Converter<int32_t>::ToV8(instance_->isolate(), test_data_to[i])
                     ->StrictEquals(
                           Integer::New(instance_->isolate(), test_data_to[i])));
   }
 
   struct {
-    v8::Handle<v8::Value> input;
+    v8::Local<v8::Value> input;
     bool expect_sucess;
     int expected_result;
   } test_data_from[] = {
     { Boolean::New(instance_->isolate(), false).As<Value>(), false, 0 },
     { Boolean::New(instance_->isolate(), true).As<Value>(), false, 0 },
     { Integer::New(instance_->isolate(), -1).As<Value>(), true, -1 },
     { Integer::New(instance_->isolate(), 0).As<Value>(), true, 0 },
     { Integer::New(instance_->isolate(), 1).As<Value>(), true, 1 },
     { Number::New(instance_->isolate(), -1).As<Value>(), true, -1 },
     { Number::New(instance_->isolate(), 1.1).As<Value>(), false, 0 },
@@ skipping 32 matching lines @@
                     ->StrictEquals(js_array->Get(static_cast<int>(i))));
   }
 
   std::vector<int> actual;
   EXPECT_TRUE(Converter<std::vector<int> >::FromV8(instance_->isolate(),
                                                    js_array, &actual));
   EXPECT_EQ(expected, actual);
 }
 
 }  // namespace gin