UI for the Data Saver InfoBar Promo

chrome/browser/ui/android/infobars/data_reduction_promo_infobar.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 <chrome/browser/net/spdyproxy/data_reduction_promo_infobar_delegate_android.h>
+#include <chrome/browser/ui/android/infobars/data_reduction_promo_infobar.h>
+#include <utility>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/logging.h"
+#include "chrome/browser/android/resource_mapper.h"
+#include "content/public/browser/web_contents.h"
+#include "jni/DataReductionPromoInfoBarDelegate_jni.h"
+
+// DataReductionPromoInfoBar:
+
+// static
+void DataReductionPromoInfoBar::Launch(
+    JNIEnv* env, jclass, jobject jweb_contents) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(jweb_contents);
+  DCHECK(web_contents);
+  DataReductionPromoInfoBarDelegateAndroid::Create(web_contents);
+}
+
+// static
+bool DataReductionPromoInfoBar::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+DataReductionPromoInfoBar::DataReductionPromoInfoBar(
+    std::unique_ptr<DataReductionPromoInfoBarDelegateAndroid> delegate)
+    : ConfirmInfoBar(std::move(delegate)),
+      java_data_reduction_promo_delegate_() {}
+
+DataReductionPromoInfoBar::~DataReductionPromoInfoBar() {

[Raj, 2016/06/13 17:52:18]

nit: Can this be inlined.

[megjablon, 2016/06/23 23:17:30]

Style guide says not to
https://www.chromium.org/developers/coding-style/cpp-dos-and-donts

+}
+
+base::android::ScopedJavaLocalRef<jobject>
+DataReductionPromoInfoBar::CreateRenderInfoBar(JNIEnv* env) {
+  java_data_reduction_promo_delegate_.Reset(
+      Java_DataReductionPromoInfoBarDelegate_create(env));
+
+  return Java_DataReductionPromoInfoBarDelegate_showDataReductionPromoInfoBar(
+      env, java_data_reduction_promo_delegate_.obj());
+}
+
+DataReductionPromoInfoBarDelegateAndroid*
+DataReductionPromoInfoBar::GetDelegate() {
+  return static_cast<DataReductionPromoInfoBarDelegateAndroid*>(delegate());
+}
+
+// DataReductionPromoInfoBarDelegate:
+
+// static
+std::unique_ptr<infobars::InfoBar>
+DataReductionPromoInfoBarDelegateAndroid::CreateInfoBar(
+    infobars::InfoBarManager* infobar_manager,
+    std::unique_ptr<DataReductionPromoInfoBarDelegateAndroid> delegate) {
+  return std::unique_ptr<infobars::InfoBar>(
+      new DataReductionPromoInfoBar(std::move(delegate)));
+}
+
+// JNI for DataReductionPromoInfoBarDelegate.
+void Launch(JNIEnv* env,
+            const JavaParamRef<jclass>& clazz,
+            const JavaParamRef<jobject>& jweb_contents) {
+  DataReductionPromoInfoBar::Launch(env, clazz, jweb_contents);
+}