Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 17 matching lines @@
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/download/download_stats.h"
 #include "content/browser/download/mhtml_generation_manager.h"
 #include "content/browser/download/save_package.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/power_save_blocker_impl.h"
+#include "content/browser/renderer_host/navigator.h"
+#include "content/browser/renderer_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/browser/web_contents/web_contents_view_guest.h"
 #include "content/browser/webui/generic_handler.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/webui/web_ui_impl.h"
@@ skipping 317 matching lines @@
       is_showing_before_unload_dialog_(false),
       closed_by_user_gesture_(false),
       minimum_zoom_percent_(static_cast<int>(kMinimumZoomFactor * 100)),
       maximum_zoom_percent_(static_cast<int>(kMaximumZoomFactor * 100)),
       temporary_zoom_settings_(false),
       color_chooser_identifier_(0),
       message_source_(NULL),
       fullscreen_widget_routing_id_(MSG_ROUTING_NONE) {
   for (size_t i = 0; i < g_created_callbacks.Get().size(); i++)
     g_created_callbacks.Get().at(i).Run(this);
+  frame_tree_.Init(&controller_, this);
   frame_tree_.SetFrameRemoveListener(
       base::Bind(&WebContentsImpl::OnFrameRemoved,
                  base::Unretained(this)));
 }
 
 WebContentsImpl::~WebContentsImpl() {
   is_being_destroyed_ = true;
 
   ClearAllPowerSaveBlockers();
 
@@ skipping 1764 matching lines @@
   if (entry && entry->GetURL() == GURL(kAboutBlankURL))
     return true;
   return delegate_ && delegate_->ShouldFocusLocationBarByDefault(this);
 }
 
 void WebContentsImpl::SetFocusToLocationBar(bool select_all) {
   if (delegate_)
     delegate_->SetFocusToLocationBar(select_all);
 }
 
-void WebContentsImpl::DidStartProvisionalLoadForFrame(
-    RenderViewHost* render_view_host,
+void WebContentsImpl::DidStartProvisionalLoad(
     int64 frame_id,
     int64 parent_frame_id,
     bool is_main_frame,
-    const GURL& url) {
-  bool is_error_page = (url.spec() == kUnreachableWebDataURL);
-  bool is_iframe_srcdoc = (url.spec() == kAboutSrcDocURL);
-  GURL validated_url(url);
-  RenderProcessHost* render_process_host =
-      render_view_host->GetProcess();
-  RenderViewHost::FilterURL(render_process_host, false, &validated_url);
+    const GURL& validated_url,
+    bool is_error_page,
+    bool is_iframe_srcdoc,
+    RenderFrameHost* render_frame_host) {
+  DidChangeLoadProgress(0);
 
-  if (is_main_frame) {
-    DidChangeLoadProgress(0);
-
-    // If there is no browser-initiated pending entry for this navigation and it
-    // is not for the error URL, create a pending entry using the current
-    // SiteInstance, and ensure the address bar updates accordingly.  We don't
-    // know the referrer or extra headers at this point, but the referrer will
-    // be set properly upon commit.
-    NavigationEntry* pending_entry = controller_.GetPendingEntry();
-    bool has_browser_initiated_pending_entry = pending_entry &&
-        !NavigationEntryImpl::FromNavigationEntry(pending_entry)->
-            is_renderer_initiated();
-    if (!has_browser_initiated_pending_entry && !is_error_page) {
-      NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
-          controller_.CreateNavigationEntry(validated_url,
-                                            content::Referrer(),
-                                            content::PAGE_TRANSITION_LINK,
-                                            true /* is_renderer_initiated */,
-                                            std::string(),
-                                            GetBrowserContext()));
-      entry->set_site_instance(
-          static_cast<SiteInstanceImpl*>(GetSiteInstance()));
-      controller_.SetPendingEntry(entry);
-      NotifyNavigationStateChanged(content::INVALIDATE_TYPE_URL);
-    }
-  }
-
-  // Notify observers about the start of the provisional load.
+  RenderFrameHostImpl* rfh =
+      static_cast<RenderFrameHostImpl*>(render_frame_host);
   FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                     DidStartProvisionalLoadForFrame(frame_id, parent_frame_id,
                     is_main_frame, validated_url, is_error_page,
-                    is_iframe_srcdoc, render_view_host));
+                    is_iframe_srcdoc, rfh->render_view_host()));
+}
 
-  if (is_main_frame) {
-    // Notify observers about the provisional change in the main frame URL.
-    FOR_EACH_OBSERVER(WebContentsObserver, observers_,
-                      ProvisionalChangeToMainFrameUrl(validated_url,
-                                                      render_view_host));
-  }
+void WebContentsImpl::ProvisionalChangeToMainFrameUrl(
+    const GURL& url,
+    RenderFrameHost* render_frame_host) {
+  RenderFrameHostImpl* rfh =
+      static_cast<RenderFrameHostImpl*>(render_frame_host);
+  FOR_EACH_OBSERVER(WebContentsObserver, observers_,
+                    ProvisionalChangeToMainFrameUrl(
+                        url, rfh->render_view_host()));
 }
 
 void WebContentsImpl::DidRedirectProvisionalLoad(
     RenderViewHost* render_view_host,
     int32 page_id,
     const GURL& source_url,
     const GURL& target_url) {
   // TODO(creis): Remove this method and have the pre-rendering code listen to
   // WebContentsObserver::DidGetRedirectForResourceRequest instead.
   // See http://crbug.com/78512.
@@ skipping 59 matching lines @@
     }
 
     render_manager_.RendererAbortedProvisionalLoad(render_view_host);
   }
 
   // Do not usually clear the pending entry if one exists, so that the user's
   // typed URL is not lost when a navigation fails or is aborted.  However, in
   // cases that we don't show the pending entry (e.g., renderer-initiated
   // navigations in an existing tab), we don't keep it around.  That prevents
   // spoofs on in-page navigations that don't go through
-  // DidStartProvisionalLoadForFrame.
+  // DidStartProvisionalLoad.
   // In general, we allow the view to clear the pending entry and typed URL if
   // the user requests (e.g., hitting Escape with focus in the address bar).
   // Note: don't touch the transient entry, since an interstitial may exist.
   if (controller_.GetPendingEntry() != controller_.GetVisibleEntry())
     controller_.DiscardPendingEntry();
 
   FOR_EACH_OBSERVER(WebContentsObserver,
                     observers_,
                     DidFailProvisionalLoad(params.frame_id,
                                            params.is_main_frame,
@@ skipping 1503 matching lines @@
 }
 
 void WebContentsImpl::OnFrameRemoved(
     RenderViewHostImpl* render_view_host,
     int64 frame_id) {
    FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                      FrameDetached(render_view_host, frame_id));
 }
 
 }  // namespace content