Move navigation and frame tree classes to a new frame_host/ directory.

content/browser/renderer_host/render_frame_host_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/browser/renderer_host/render_frame_host_impl.h"
-
-#include "base/containers/hash_tables.h"
-#include "base/lazy_instance.h"
-#include "content/browser/renderer_host/frame_tree.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/common/frame_messages.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_process_host.h"
-#include "url/gurl.h"
-
-namespace content {
-
-// The (process id, routing id) pair that identifies one RenderFrame.
-typedef std::pair<int32, int32> RenderFrameHostID;
-typedef base::hash_map<RenderFrameHostID, RenderFrameHostImpl*>
-    RoutingIDFrameMap;
-static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
-    LAZY_INSTANCE_INITIALIZER;
-
-// static
-RenderFrameHostImpl* RenderFrameHostImpl::FromID(
-    int process_id, int routing_id) {
-  RoutingIDFrameMap* frames = g_routing_id_frame_map.Pointer();
-  RoutingIDFrameMap::iterator it = frames->find(
-      RenderFrameHostID(process_id, routing_id));
-  return it == frames->end() ? NULL : it->second;
-}
-
-RenderFrameHostImpl::RenderFrameHostImpl(
-    RenderViewHostImpl* render_view_host,
-    FrameTree* frame_tree,
-    int routing_id,
-    bool is_swapped_out)
-    : render_view_host_(render_view_host),
-      frame_tree_(frame_tree),
-      routing_id_(routing_id),
-      is_swapped_out_(is_swapped_out) {
-  GetProcess()->AddRoute(routing_id_, this);
-  g_routing_id_frame_map.Get().insert(std::make_pair(
-      RenderFrameHostID(GetProcess()->GetID(), routing_id_),
-      this));
-}
-
-RenderFrameHostImpl::~RenderFrameHostImpl() {
-  GetProcess()->RemoveRoute(routing_id_);
-  g_routing_id_frame_map.Get().erase(
-      RenderFrameHostID(GetProcess()->GetID(), routing_id_));
-
-}
-
-bool RenderFrameHostImpl::Send(IPC::Message* message) {
-  return GetProcess()->Send(message);
-}
-
-bool RenderFrameHostImpl::OnMessageReceived(const IPC::Message &msg) {
-  bool handled = true;
-  bool msg_is_ok = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(RenderFrameHostImpl, msg, msg_is_ok)
-    IPC_MESSAGE_HANDLER(FrameHostMsg_Detach, OnDetach)
-    IPC_MESSAGE_HANDLER(FrameHostMsg_DidStartProvisionalLoadForFrame,
-                        OnDidStartProvisionalLoadForFrame)
-  IPC_END_MESSAGE_MAP_EX()
-
-  return handled;
-}
-
-void RenderFrameHostImpl::Init() {
-  GetProcess()->ResumeRequestsForView(routing_id());
-}
-
-RenderProcessHost* RenderFrameHostImpl::GetProcess() const {
-  // TODO(nasko): This should return its own process, once we have working
-  // cross-process navigation for subframes.
-  return render_view_host_->GetProcess();
-}
-
-void RenderFrameHostImpl::OnCreateChildFrame(int new_frame_routing_id,
-                                             int64 parent_frame_id,
-                                             int64 frame_id,
-                                             const std::string& frame_name) {
-  frame_tree_->AddFrame(new_frame_routing_id, parent_frame_id, frame_id,
-                        frame_name);
-}
-
-void RenderFrameHostImpl::OnDetach(int64 parent_frame_id, int64 frame_id) {
-  frame_tree_->RemoveFrame(parent_frame_id, frame_id);
-}
-
-void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(
-    int64 frame_id,
-    int64 parent_frame_id,
-    bool is_main_frame,
-    const GURL& url) {
-  render_view_host_->OnDidStartProvisionalLoadForFrame(
-      frame_id, parent_frame_id, is_main_frame, url);
-}
-
-}  // namespace content