Add notification of data reduction proxy field trial

chrome/browser/net/spdyproxy/data_reduction_proxy_infobar_delegate.cc

Index: chrome/browser/net/spdyproxy/data_reduction_proxy_infobar_delegate.cc
diff --git a/chrome/browser/net/spdyproxy/data_reduction_proxy_infobar_delegate.cc b/chrome/browser/net/spdyproxy/data_reduction_proxy_infobar_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c959ddca793ae13cdb328f5f9664fb003a915fd3
--- /dev/null
+++ b/chrome/browser/net/spdyproxy/data_reduction_proxy_infobar_delegate.cc
@@ -0,0 +1,51 @@
+// Copyright 2014 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_proxy_infobar_delegate.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "components/infobars/core/infobar.h"
+#include "components/infobars/core/infobar_delegate.h"
+#include "content/public/browser/web_contents.h"
+
+// static
+void DataReductionProxyInfoBarDelegate::Create(
+    content::WebContents* web_contents) {
+  InfoBarService::FromWebContents(web_contents)->AddInfoBar(
+      DataReductionProxyInfoBarDelegate::CreateInfoBar(
+          scoped_ptr<DataReductionProxyInfoBarDelegate>(
+              new DataReductionProxyInfoBarDelegate())));
+}
+
+#if !defined(OS_ANDROID)
+// This infobar currently only supports Android.
+
+// static
+scoped_ptr<infobars::InfoBar> DataReductionProxyInfoBarDelegate::CreateInfoBar(
+    scoped_ptr<DataReductionProxyInfoBarDelegate> delegate) {
+  return ConfirmInfoBarDelegate::CreateInfoBar(
+      delegate.PassAs<ConfirmInfoBarDelegate>());
+}
+#endif
+
+DataReductionProxyInfoBarDelegate::~DataReductionProxyInfoBarDelegate() {
+}
+
+DataReductionProxyInfoBarDelegate::DataReductionProxyInfoBarDelegate()
+    : ConfirmInfoBarDelegate() {
+}
+
+bool DataReductionProxyInfoBarDelegate::ShouldExpire(
+    const NavigationDetails& details) const {
+  return false;
+}
+
+base::string16 DataReductionProxyInfoBarDelegate::GetMessageText() const {
+  return base::string16();
+}
+
+int DataReductionProxyInfoBarDelegate::GetButtons() const {
+  return BUTTON_NONE;
+}