When an iframe displays its srcdoc, generate navigation events for about:srcdoc

chrome/browser/extensions/api/web_navigation/frame_navigation_state.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 "chrome/browser/extensions/api/web_navigation/frame_navigation_state.h"
 
 #include "base/logging.h"
 #include "chrome/common/url_constants.h"
 #include "extensions/common/constants.h"
 
@@ skipping 37 matching lines @@
     const FrameNavigationState::FrameID& other) const {
   return frame_num == other.frame_num &&
       render_view_host == other.render_view_host;
 }
 
 bool FrameNavigationState::FrameID::operator!=(
     const FrameNavigationState::FrameID& other) const {
   return !(*this == other);
 }
 
+FrameNavigationState::FrameState::FrameState() {}
+
 // static
 bool FrameNavigationState::allow_extension_scheme_ = false;
 
 FrameNavigationState::FrameNavigationState() {}
 
 FrameNavigationState::~FrameNavigationState() {}
 
 bool FrameNavigationState::CanSendEvents(FrameID frame_id) const {
   FrameIdToStateMap::const_iterator frame_state =
       frame_state_map_.find(frame_id);
   if (frame_state == frame_state_map_.end() ||
       frame_state->second.error_occurred) {
     return false;
   }
   return IsValidUrl(frame_state->second.url);
 }
 
 bool FrameNavigationState::IsValidUrl(const GURL& url) const {
   for (unsigned i = 0; i < arraysize(kValidSchemes); ++i) {
     if (url.scheme() == kValidSchemes[i])
       return true;
   }
-  // Allow about:blank.
-  if (url.spec() == chrome::kAboutBlankURL)
+  // Allow about:blank and about:srcdoc.
+  if (url.spec() == chrome::kAboutBlankURL ||
+      url.spec() == chrome::kAboutSrcDocURL) {
     return true;
+  }
   if (allow_extension_scheme_ && url.scheme() == extensions::kExtensionScheme)
     return true;
   return false;
 }
 
 void FrameNavigationState::TrackFrame(FrameID frame_id,
                                       FrameID parent_frame_id,
                                       const GURL& url,
                                       bool is_main_frame,
-                                      bool is_error_page) {
+                                      bool is_error_page,
+                                      bool is_iframe_srcdoc) {
   FrameState& frame_state = frame_state_map_[frame_id];
   frame_state.error_occurred = is_error_page;
   frame_state.url = url;
   frame_state.is_main_frame = is_main_frame;
+  frame_state.is_iframe_srcdoc = is_iframe_srcdoc;
+  DCHECK(!is_iframe_srcdoc || url == GURL(chrome::kAboutBlankURL));
   frame_state.is_navigating = true;
   frame_state.is_committed = false;
   frame_state.is_server_redirected = false;
   if (!is_main_frame) {
     frame_state.parent_frame_num = parent_frame_id.frame_num;
   } else {
     DCHECK(parent_frame_id.frame_num == -1);
     frame_state.parent_frame_num = -1;
   }
   frame_ids_.insert(frame_id);
@@ skipping 32 matching lines @@
   return (frame_state != frame_state_map_.end());
 }
 
 GURL FrameNavigationState::GetUrl(FrameID frame_id) const {
   FrameIdToStateMap::const_iterator frame_state =
       frame_state_map_.find(frame_id);
   if (frame_state == frame_state_map_.end()) {
     NOTREACHED();
     return GURL();
   }
+  if (frame_state->second.is_iframe_srcdoc)
+    return GURL(chrome::kAboutSrcDocURL);
   return frame_state->second.url;
 }
 
 bool FrameNavigationState::IsMainFrame(FrameID frame_id) const {
   FrameIdToStateMap::const_iterator frame_state =
       frame_state_map_.find(frame_id);
   return (frame_state != frame_state_map_.end() &&
           frame_state->second.is_main_frame);
 }
 
@@ skipping 57 matching lines @@
 }
 
 bool FrameNavigationState::GetIsServerRedirected(FrameID frame_id) const {
   FrameIdToStateMap::const_iterator frame_state =
       frame_state_map_.find(frame_id);
   return (frame_state != frame_state_map_.end() &&
           frame_state->second.is_server_redirected);
 }
 
 }  // namespace extensions