Observe visibility of password inputs, for HTTP-bad phase 1

components/password_manager/content/browser/password_visibility_service.cc

+// Copyright 2016 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 "components/password_manager/content/browser/password_visibility_service.h"
+
+#include "components/password_manager/content/browser/password_visibility_service_factory.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
+
+namespace password_manager {
+
+PasswordVisibilityService::PasswordVisibilityService() : weak_factory_(this) {}
+
+PasswordVisibilityService::~PasswordVisibilityService() {}
+
+// static
+PasswordVisibilityService* PasswordVisibilityService::GetForRenderFrameHost(
+    content::RenderFrameHost* render_frame_host) {
+  PasswordVisibilityServiceFactory* factory =
+      PasswordVisibilityServiceFactory::FromWebContents(
+          content::WebContents::FromRenderFrameHost(render_frame_host));
+  return factory ? factory->GetServiceForFrame(render_frame_host) : nullptr;
+}
+
+void PasswordVisibilityService::BindRequest(
+    blink::mojom::SensitiveInputVisibilityServiceRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
+void PasswordVisibilityService::PasswordFieldVisible() {
+  // TODO(estark): notify the WebContents that a password field was
+  // shown, which will downgrade the security UI
+  // appropriately. https://crbug.com/647560
+}
+
+}  // namespace password_manager