PlzNavigate: implement CommitNavigation on the browser side

content/browser/frame_host/navigation_parameters.cc

+// 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 "content/browser/frame_host/navigation_parameters.h"
+
+#include "content/browser/frame_host/navigation_before_commit_info.h"
+#include "content/browser/frame_host/navigation_controller_impl.h"
+#include "content/browser/frame_host/navigation_entry_impl.h"
+#include "content/common/frame_messages.h"
+#include "net/base/load_flags.h"
+
+namespace content {
+
+namespace {
+
+// Returns the net load flags to use based on the navigation type.
+int LoadFlagFromNavigationType(FrameMsg_Navigate_Type::Value navigation_type) {
+  int load_flags = net::LOAD_NORMAL;
+  switch (navigation_type) {
+    case FrameMsg_Navigate_Type::RELOAD:
+    case FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL:
+      load_flags |= net::LOAD_VALIDATE_CACHE;
+      break;
+    case FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE:
+      load_flags |= net::LOAD_BYPASS_CACHE;
+      break;
+    case FrameMsg_Navigate_Type::RESTORE:
+      load_flags |= net::LOAD_PREFERRING_CACHE;
+      break;
+    case FrameMsg_Navigate_Type::RESTORE_WITH_POST:
+      load_flags |= net::LOAD_ONLY_FROM_CACHE;
+      break;
+    case FrameMsg_Navigate_Type::NORMAL:
+    default :
+      break;
+  }
+  return load_flags;
+}
+
+}
+
+NavigationParameters::NavigationParameters(
+    const NavigationEntryImpl& entry,
+    NavigationControllerImpl* controller,
+    base::TimeTicks navigation_start,
+    FrameMsg_Navigate_Type::Value navigation_type)
+    : url_(entry.GetURL()),
+      is_post_(entry.GetHasPostData()),
+      page_id_(entry.GetPageID()),
+      should_clear_history_list_(entry.should_clear_history_list()),
+      referrer_(entry.GetReferrer()),
+      transition_(entry.GetTransitionType()),
+      page_state_(entry.GetPageState()),
+      navigation_type_(navigation_type),
+      is_overriding_user_agent_(entry.GetIsOverridingUserAgent()),
+      should_replace_current_entry_(entry.should_replace_entry()),
+      allow_download_(!entry.IsViewSourceMode()),
+      browser_navigation_start_(navigation_start) {
+  controller->FillHistoryParametersForNavigationEntry(
+      entry,
+      &pending_history_list_offset_,
+      &current_history_list_offset_,
+      &current_history_list_length_);
+}
+
+NavigationParameters::~NavigationParameters() {
+}
+
+void NavigationParameters::UpdateFromBeginNavigationParams(
+    const FrameHostMsg_BeginNavigation_Params& begin_navigation_params) {
+  referrer_ = begin_navigation_params.referrer;
+  transition_ = begin_navigation_params.transition_type;
+}
+
+void NavigationParameters::UpdateFromCommitInfo(
+    const NavigationBeforeCommitInfo& commit_info) {
+  url_ = commit_info.navigation_url;
+  stream_url_ = commit_info.stream_url;
+}
+
+FrameHostMsg_BeginNavigation_Params
+NavigationParameters::SimulateRendererResponse() const {
+  FrameHostMsg_BeginNavigation_Params begin_navigation_params;
+  begin_navigation_params.method = is_post_ ? "POST" : "GET";
+  begin_navigation_params.url = url_;
+  begin_navigation_params.referrer = referrer_;
+  begin_navigation_params.load_flags =
+      LoadFlagFromNavigationType(navigation_type_);
+
+  // TODO(clamy): Post data from the browser should be put in the request body.
+
+  begin_navigation_params.has_user_gesture = false;
+  begin_navigation_params.transition_type = transition_;
+  return begin_navigation_params;
+}
+
+FrameMsg_CommitNavigation_Params
+NavigationParameters::MakeCommitNavigationParams() const {
+  FrameMsg_CommitNavigation_Params params;
+  params.url = url_;
+  params.stream_url = stream_url_;
+  params.page_id = page_id_;
+  params.pending_history_list_offset = pending_history_list_offset_;
+  params.current_history_list_offset = current_history_list_offset_;
+  params.current_history_list_length = current_history_list_length_;
+  params.should_clear_history_list = should_clear_history_list_;
+  params.referrer = referrer_;
+  params.transition = transition_;
+  params.page_state = page_state_;
+  params.navigation_type = navigation_type_;
+  params.is_overriding_user_agent = is_overriding_user_agent_;
+  params.browser_navigation_start = browser_navigation_start_;
+  return params;
+}

[(Do not use) nasko, 2014/09/05 17:04:48]

nit: extra empty line needed

+}  // namespace content