1 files changed, 92 insertions, 0 deletions
diff --git a/chromium/chrome/browser/renderer_host/chrome_navigation_ui_data.h b/chromium/chrome/browser/renderer_host/chrome_navigation_ui_data.h
new file mode 100644
index 00000000000..81b9b8df052
--- /dev/null
+++ b/chromium/chrome/browser/renderer_host/chrome_navigation_ui_data.h
@@ -0,0 +1,92 @@
+// 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.
+
+#ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_NAVIGATION_UI_DATA_H_
+#define CHROME_BROWSER_RENDERER_HOST_CHROME_NAVIGATION_UI_DATA_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "chrome/common/prerender_types.h"
+#include "components/offline_pages/buildflags/buildflags.h"
+#include "components/offline_pages/core/request_header/offline_page_navigation_ui_data.h"
+#include "content/public/browser/navigation_ui_data.h"
+#include "extensions/browser/extension_navigation_ui_data.h"
+#include "extensions/buildflags/buildflags.h"
+
+namespace content {
+class NavigationHandle;
+}
+
+enum class WindowOpenDisposition;
+
+// Contains data that is passed from the UI thread to the IO thread at the
+// beginning of each navigation. The class is instantiated on the UI thread,
+// then a copy created using Clone is passed to the content::ResourceRequestInfo
+// on the IO thread.
+class ChromeNavigationUIData : public content::NavigationUIData {
+ public:
+  ChromeNavigationUIData();
+  explicit ChromeNavigationUIData(content::NavigationHandle* navigation_handle);
+  ~ChromeNavigationUIData() override;
+
+  static std::unique_ptr<ChromeNavigationUIData> CreateForMainFrameNavigation(
+      content::WebContents* web_contents,
+      WindowOpenDisposition disposition,
+      int64_t data_reduction_proxy_page_id);
+
+  // Creates a new ChromeNavigationUIData that is a deep copy of the original.
+  // Any changes to the original after the clone is created will not be
+  // reflected in the clone.  All owned data members are deep copied.
+  std::unique_ptr<content::NavigationUIData> Clone() override;
+
+#if BUILDFLAG(ENABLE_EXTENSIONS)
+  void SetExtensionNavigationUIData(
+      std::unique_ptr<extensions::ExtensionNavigationUIData> extension_data);
+
+  extensions::ExtensionNavigationUIData* GetExtensionNavigationUIData() const {
+    return extension_data_.get();
+  }
+#endif
+
+#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
+  void SetOfflinePageNavigationUIData(
+      std::unique_ptr<offline_pages::OfflinePageNavigationUIData>
+          offline_page_data);
+
+  offline_pages::OfflinePageNavigationUIData* GetOfflinePageNavigationUIData()
+      const {
+    return offline_page_data_.get();
+  }
+#endif
+  WindowOpenDisposition window_open_disposition() const { return disposition_; }
+  prerender::PrerenderMode prerender_mode() const { return prerender_mode_; }
+  const std::string& prerender_histogram_prefix() {
+    return prerender_histogram_prefix_;
+  }
+  uint64_t data_reduction_proxy_page_id() const {
+    return data_reduction_proxy_page_id_;
+  }
+
+ private:
+#if BUILDFLAG(ENABLE_EXTENSIONS)
+  // Manages the lifetime of optional ExtensionNavigationUIData information.
+  std::unique_ptr<extensions::ExtensionNavigationUIData> extension_data_;
+#endif
+
+#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
+  // Manages the lifetime of optional OfflinePageNavigationUIData information.
+  std::unique_ptr<offline_pages::OfflinePageNavigationUIData>
+      offline_page_data_;
+#endif
+
+  WindowOpenDisposition disposition_;
+  prerender::PrerenderMode prerender_mode_ = prerender::NO_PRERENDER;
+  std::string prerender_histogram_prefix_;
+  uint64_t data_reduction_proxy_page_id_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeNavigationUIData);
+};
+
+#endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_NAVIGATION_UI_DATA_H_