chore: move the view APIs to their own directory (#14722)

* chore: move the view APIs to their own directory

* move view api cpp files

atom/browser/api/views/atom_api_label_button.cc

@@ -0,0 +1,58 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/views/atom_api_label_button.h"
+
+#include "atom/common/api/constructor.h"
+#include "base/strings/utf_string_conversions.h"
+#include "native_mate/dictionary.h"
+#include "ui/views/controls/button/label_button.h"
+
+#include "atom/common/node_includes.h"
+
+namespace atom {
+
+namespace api {
+
+LabelButton::LabelButton(const std::string& text)
+    : Button(new views::LabelButton(this, base::UTF8ToUTF16(text))) {}
+
+LabelButton::~LabelButton() {}
+
+// static
+mate::WrappableBase* LabelButton::New(mate::Arguments* args,
+                                      const std::string& text) {
+  // Constructor call.
+  auto* view = new LabelButton(text);
+  view->InitWith(args->isolate(), args->GetThis());
+  return view;
+}
+
+// static
+void LabelButton::BuildPrototype(v8::Isolate* isolate,
+                                 v8::Local<v8::FunctionTemplate> prototype) {
+  prototype->SetClassName(mate::StringToV8(isolate, "LabelButton"));
+}
+
+}  // namespace api
+
+}  // namespace atom
+
+namespace {
+
+using atom::api::LabelButton;
+
+void Initialize(v8::Local<v8::Object> exports,
+                v8::Local<v8::Value> unused,
+                v8::Local<v8::Context> context,
+                void* priv) {
+  v8::Isolate* isolate = context->GetIsolate();
+  mate::Dictionary dict(isolate, exports);
+  dict.Set("LabelButton", mate::CreateConstructor<LabelButton>(
+                              isolate, base::Bind(&LabelButton::New)));
+}
+
+}  // namespace
+
+NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_label_button, Initialize)