Adding TabRestore PLM UMA

content/browser/frame_host/navigation_handle_impl.cc

 // Copyright 2015 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_handle_impl.h"
 
 #include <iterator>
 
 #include "base/debug/dump_without_crashing.h"
 #include "base/logging.h"
@@ skipping 90 matching lines @@
       navigation_start_(navigation_start),
       pending_nav_entry_id_(pending_nav_entry_id),
       request_context_type_(REQUEST_CONTEXT_TYPE_UNSPECIFIED),
       mixed_content_context_type_(blink::WebMixedContentContextType::Blockable),
       should_replace_current_entry_(false),
       redirect_chain_(redirect_chain),
       is_download_(false),
       is_stream_(false),
       started_from_context_menu_(started_from_context_menu),
       reload_type_(ReloadType::NONE),
+      restore_type_(RestoreType::NONE),
       navigation_type_(NAVIGATION_TYPE_UNKNOWN),
       weak_factory_(this) {
   DCHECK(!navigation_start.is_null());
   if (redirect_chain_.empty())
     redirect_chain_.push_back(url);
 
   starting_site_instance_ =
       frame_tree_node_->current_frame_host()->GetSiteInstance();
 
   if (pending_nav_entry_id_) {
     NavigationControllerImpl* nav_controller =
         static_cast<NavigationControllerImpl*>(
             frame_tree_node_->navigator()->GetController());
     NavigationEntryImpl* nav_entry =
         nav_controller->GetEntryWithUniqueID(pending_nav_entry_id_);
     if (!nav_entry &&
         nav_controller->GetPendingEntry() &&
         nav_controller->GetPendingEntry()->GetUniqueID() ==
             pending_nav_entry_id_) {
       nav_entry = nav_controller->GetPendingEntry();
     }
 
-    if (nav_entry)
+    if (nav_entry) {
       reload_type_ = nav_entry->reload_type();
+      restore_type_ = nav_entry->restore_type();
+    }
   }
 
   if (!IsRendererDebugURL(url_))
     GetDelegate()->DidStartNavigation(this);
 
   if (IsInMainFrame()) {
     TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP1(
         "navigation", "Navigation StartToCommit", this,
         navigation_start, "Initial URL", url_.spec());
   }
@@ skipping 300 matching lines @@
 }
 
 const std::string& NavigationHandleImpl::GetSearchableFormEncoding() {
   return searchable_form_encoding_;
 }
 
 ReloadType NavigationHandleImpl::GetReloadType() {
   return reload_type_;
 }
 
+RestoreType NavigationHandleImpl::GetRestoreType() {
+  return restore_type_;
+}
+
 NavigationData* NavigationHandleImpl::GetNavigationData() {
   return navigation_data_.get();
 }
 
 const GlobalRequestID& NavigationHandleImpl::GetGlobalRequestID() {
   DCHECK(state_ == WILL_PROCESS_RESPONSE || state_ == DEFERRING_RESPONSE ||
          state_ == READY_TO_COMMIT);
   return request_id_;
 }
 
@@ skipping 464 matching lines @@
     if (node->current_url().EqualsIgnoringRef(url_)) {
       if (found_self_reference)
         return true;
       found_self_reference = true;
     }
   }
   return false;
 }
 
 }  // namespace content