Update nested OOPIF's screen rects when parent is repositioned in page.

content/browser/frame_host/frame_tree.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/browser/frame_host/frame_tree.h"
 
 #include <stddef.h>
 
 #include <queue>
 #include <utility>
@@ skipping 54 matching lines @@
 bool FrameTree::NodeIterator::operator==(const NodeIterator& rhs) const {
   return current_node_ == rhs.current_node_;
 }
 
 FrameTree::NodeIterator::NodeIterator(FrameTreeNode* starting_node,
                                       FrameTreeNode* node_to_skip)
     : current_node_(starting_node != node_to_skip ? starting_node : nullptr),
       node_to_skip_(node_to_skip) {}
 
 FrameTree::NodeIterator FrameTree::NodeRange::begin() {
-  return NodeIterator(tree_->root(), node_to_skip_);
+  return NodeIterator(root_, node_to_skip_);
 }
 
 FrameTree::NodeIterator FrameTree::NodeRange::end() {
   return NodeIterator(nullptr, nullptr);
 }
 
-FrameTree::NodeRange::NodeRange(FrameTree* tree, FrameTreeNode* node_to_skip)
-    : tree_(tree), node_to_skip_(node_to_skip) {}
+FrameTree::NodeRange::NodeRange(FrameTreeNode* root,
+                                FrameTreeNode* node_to_skip)
+    : root_(root), node_to_skip_(node_to_skip) {}
 
 FrameTree::ConstNodeIterator::~ConstNodeIterator() {}
 
 FrameTree::ConstNodeIterator& FrameTree::ConstNodeIterator::operator++() {
   for (size_t i = 0; i < current_node_->child_count(); ++i) {
     const FrameTreeNode* child = current_node_->child_at(i);
     queue_.push(child);
   }
 
   if (!queue_.empty()) {
     current_node_ = queue_.front();
     queue_.pop();
   } else {
     current_node_ = nullptr;
   }
 
   return *this;
 }
 
 bool FrameTree::ConstNodeIterator::operator==(
     const ConstNodeIterator& rhs) const {
   return current_node_ == rhs.current_node_;
 }
 
 FrameTree::ConstNodeIterator::ConstNodeIterator(
     const FrameTreeNode* starting_node)
     : current_node_(starting_node) {}
 
 FrameTree::ConstNodeIterator FrameTree::ConstNodeRange::begin() {
-  return ConstNodeIterator(tree_->root());
+  return ConstNodeIterator(root_);
 }
 
 FrameTree::ConstNodeIterator FrameTree::ConstNodeRange::end() {
   return ConstNodeIterator(nullptr);
 }
 
-FrameTree::ConstNodeRange::ConstNodeRange(const FrameTree* tree)
-    : tree_(tree) {}
+FrameTree::ConstNodeRange::ConstNodeRange(const FrameTreeNode* root)
+    : root_(root) {}
 
 FrameTree::FrameTree(Navigator* navigator,
                      RenderFrameHostDelegate* render_frame_delegate,
                      RenderViewHostDelegate* render_view_delegate,
                      RenderWidgetHostDelegate* render_widget_delegate,
                      RenderFrameHostManager::Delegate* manager_delegate)
     : render_frame_delegate_(render_frame_delegate),
       render_view_delegate_(render_view_delegate),
       render_widget_delegate_(render_widget_delegate),
       manager_delegate_(manager_delegate),
@@ skipping 54 matching lines @@
       return node;
   }
 
   return nullptr;
 }
 
 FrameTree::NodeRange FrameTree::Nodes() {
   return NodesExcept(nullptr);
 }
 
+FrameTree::NodeRange FrameTree::SubtreeNodes(FrameTreeNode* subtree_root) {
+  return NodeRange(subtree_root, nullptr);
+}
+
 FrameTree::NodeRange FrameTree::NodesExcept(FrameTreeNode* node_to_skip) {
-  return NodeRange(this, node_to_skip);
+  return NodeRange(root_, node_to_skip);
 }
 
 FrameTree::ConstNodeRange FrameTree::ConstNodes() const {
-  return ConstNodeRange(this);
+  return ConstNodeRange(root_);
 }
 
 bool FrameTree::AddFrame(
     FrameTreeNode* parent,
     int process_id,
     int new_routing_id,
     blink::WebTreeScopeType scope,
     const std::string& frame_name,
     const std::string& frame_unique_name,
     blink::WebSandboxFlags sandbox_flags,
@@ skipping 284 matching lines @@
   // This is only used to set page-level focus in cross-process subframes, and
   // requests to set focus in main frame's SiteInstance are ignored.
   if (instance != root_manager->current_frame_host()->GetSiteInstance()) {
     RenderFrameProxyHost* proxy =
         root_manager->GetRenderFrameProxyHost(instance);
     proxy->Send(new InputMsg_SetFocus(proxy->GetRoutingID(), is_focused));
   }
 }
 
 }  // namespace content