PlzNavigate: implement CommitNavigation on the browser side

content/common/navigation_params.h

+// 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.
+
+#ifndef CONTENT_COMMON_NAVIGATION_PARAMS_H_
+#define CONTENT_COMMON_NAVIGATION_PARAMS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/time/time.h"
+#include "content/common/content_export.h"
+#include "content/common/frame_message_enums.h"
+#include "content/public/common/page_state.h"
+#include "content/public/common/referrer.h"
+#include "ui/base/page_transition_types.h"
+#include "url/gurl.h"
+
+namespace base {
+class RefCountedMemory;
+}
+
+namespace content {
+class NavigationEntry;
+
+// The following structures hold parameters used during a navigation. In
+// particular they are used by FrameMsg_Navigate, FrameMsg_CommitNavigation and
+// FrameHostMsg_BeginNavigation.
+// TODO(clamy): Depending on the avancement of the history refactoring move the
+// history parameters from FrameMsg_Navigate into one of the structs.
+
+// Used by all navigation IPCs.
+struct CONTENT_EXPORT CommonNavigationParams {
+  CommonNavigationParams();
+  CommonNavigationParams(const GURL& url,
+                         const Referrer& referrer,
+                         ui::PageTransition transition,
+                         FrameMsg_Navigate_Type::Value navigation_type,
+                         bool allow_download);
+  ~CommonNavigationParams();
+
+  // The URL to navigate to.
+  // PlzNavigate: May be modified when the navigation is ready to commit.
+  GURL url;
+
+  // The URL to send in the "Referer" header field. Can be empty if there is
+  // no referrer.
+  Referrer referrer;
+
+  // The type of transition.
+  ui::PageTransition transition;
+
+  // Type of navigation.
+  FrameMsg_Navigate_Type::Value navigation_type;
+
+  // Allows the URL to be downloaded (true by default).
+  // Avoid downloading when in view-source mode.
+  bool allow_download;
+};
+
+// Used by FrameMsg_Navigate.
+// PlzNavigate: sent to the renderer when requesting a navigation.
+struct CONTENT_EXPORT RequestNavigationParams {
+  RequestNavigationParams();
+  RequestNavigationParams(bool is_post,
+                          const std::string& extra_headers,
+                          const base::RefCountedMemory* post_data);
+  ~RequestNavigationParams();
+
+  // Whether the navigation is a POST request (as opposed to a GET).
+  bool is_post;
+
+  // Extra headers (separated by \n) to send during the request.
+  std::string extra_headers;
+
+  // If is_post is true, holds the post_data information from browser. Empty
+  // otherwise.
+  std::vector<unsigned char> browser_initiated_post_data;
+};
+
+// Used by FrameMsg_Navigate.
+// PlzNavigate: sent to the renderer when the navigation is ready to commit.
+struct CONTENT_EXPORT CommitNavigationParams {
+  CommitNavigationParams();
+  CommitNavigationParams(const PageState& page_state,
+                         bool is_overriding_user_agent,
+                         base::TimeTicks navigation_start);
+  ~CommitNavigationParams();
+
+  // Opaque history state (received by ViewHostMsg_UpdateState).
+  PageState page_state;
+
+  // Whether or not the user agent override string should be used.
+  bool is_overriding_user_agent;
+
+  // The navigationStart time to expose through the Navigation Timing API to JS.
+  base::TimeTicks browser_navigation_start;
+
+  // TODO(clamy): Move the redirect chain here.
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_NAVIGATION_PARAMS_H_