Remove WebHistoryItem child usage

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 682 matching lines @@
   GetContentClient()->SetActiveURL(params.url);
 
   WebFrame* frame = frame_;
   if (!params.frame_to_navigate.empty()) {
     // TODO(nasko): Move this lookup to the browser process.
     frame = render_view_->webview()->findFrameByName(
         WebString::fromUTF8(params.frame_to_navigate));
     CHECK(frame) << "Invalid frame name passed: " << params.frame_to_navigate;
   }
 
-  WebHistoryItem item =
-      render_view_->history_controller()->GetCurrentItemForExport();
-  if (is_reload && item.isNull()) {
+  if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
     // We cannot reload if we do not have any history state.  This happens, for
     // example, when recovering from a crash.
     is_reload = false;
     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
   }
 
   render_view_->pending_navigation_params_.reset(
       new FrameMsg_Navigate_Params(params));
 
   // If we are reloading, then WebKit will use the history state of the current
   // page, so we should just ignore any given history state.  Otherwise, if we
   // have history state, then we need to navigate to it, which corresponds to a
   // back/forward navigation event.
   if (is_reload) {
     bool reload_original_url =
         (params.navigation_type ==
             FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
     bool ignore_cache = (params.navigation_type ==
                              FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
 
     if (reload_original_url)
       frame->reloadWithOverrideURL(params.url, true);
     else
       frame->reload(ignore_cache);
   } else if (params.page_state.IsValid()) {
     // We must know the page ID of the page we are navigating back to.
     DCHECK_NE(params.page_id, -1);
-    WebHistoryItem item = PageStateToHistoryItem(params.page_state);
-    if (!item.isNull()) {
+    HistoryEntry* entry = PageStateToHistoryEntry(params.page_state);
+    if (entry) {
       // Ensure we didn't save the swapped out URL in UpdateState, since the
       // browser should never be telling us to navigate to swappedout://.
-      CHECK(item.urlString() != WebString::fromUTF8(kSwappedOutURL));
-      render_view_->history_controller()->GoToItem(item, cache_policy);
+      CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
+      render_view_->history_controller()->GoToEntry(entry, cache_policy);
     }
   } else if (!params.base_url_for_data_url.is_empty()) {
     // A loadData request with a specified base URL.
     std::string mime_type, charset, data;
     if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
       frame->loadData(
           WebData(data.c_str(), data.length()),
           WebString::fromUTF8(mime_type),
           WebString::fromUTF8(charset),
           params.base_url_for_data_url,
@@ skipping 1957 matching lines @@
       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
 
   params.searchable_form_url = internal_data->searchable_form_url();
   params.searchable_form_encoding = internal_data->searchable_form_encoding();
 
   params.gesture = render_view_->navigation_gesture_;
   render_view_->navigation_gesture_ = NavigationGestureUnknown;
 
   // Make navigation state a part of the DidCommitProvisionalLoad message so
   // that commited entry has it at all times.
-  WebHistoryItem item =
-      render_view_->history_controller()->GetCurrentItemForExport();
-  if (item.isNull()) {
-    item.initialize();
-    item.setURLString(request.url().spec().utf16());
-  }
-  params.page_state = HistoryItemToPageState(item);
+  HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
+  if (entry)
+    params.page_state = HistoryEntryToPageState(entry);
+  else
+    params.page_state = PageState::CreateFromURL(request.url());
 
   if (!frame->parent()) {
     // Top-level navigation.
 
     // Reset the zoom limits in case a plugin had changed them previously. This
     // will also call us back which will cause us to send a message to
     // update WebContentsImpl.
     render_view_->webview()->zoomLimitsChanged(
         ZoomFactorToZoomLevel(kMinimumZoomFactor),
         ZoomFactorToZoomLevel(kMaximumZoomFactor));
@@ skipping 44 matching lines @@
       params.transition = static_cast<PageTransition>(
           params.transition | PAGE_TRANSITION_CLIENT_REDIRECT);
     } else {
       params.referrer = RenderViewImpl::GetReferrerFromRequest(
           frame, ds->request());
     }
 
     base::string16 method = request.httpMethod();
     if (EqualsASCII(method, "POST")) {
       params.is_post = true;
-      params.post_id = ExtractPostId(item);
+      params.post_id = ExtractPostId(entry->root());
     }
 
     // Send the user agent override back.
     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
 
     // Track the URL of the original request.  We use the first entry of the
     // redirect chain if it exists because the chain may have started in another
     // process.
     params.original_request_url = GetOriginalRequestURL(ds);
 
@@ skipping 383 matching lines @@
     selection_text_offset_ = offset;
     selection_range_ = range;
     // This IPC is dispatched by RenderWidetHost, so use its routing ID.
     Send(new ViewHostMsg_SelectionChanged(
         GetRenderWidget()->routing_id(), text, offset, range));
   }
   GetRenderWidget()->UpdateSelectionBounds();
 }
 
 }  // namespace content