Perform navigation policy check on UI thread for --site-per-process.

content/test/test_frame_navigation_observer.cc

+// Copyright 2014 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/test/test_frame_navigation_observer.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/stl_util.h"
+#include "content/browser/frame_host/navigation_entry_impl.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
+#include "content/browser/renderer_host/render_view_host_impl.h"
+#include "content/browser/web_contents/web_contents_impl.h"
+#include "content/public/browser/web_contents_observer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+TestFrameNavigationObserver::TestFrameNavigationObserver(
+    FrameTreeNode* node,
+    int number_of_navigations)
+    : WebContentsObserver(
+          node->current_frame_host()->delegate()->GetAsWebContents()),
+      frame_tree_node_id_(node->frame_tree_node_id()),
+      navigation_started_(false),
+      navigations_completed_(0),
+      number_of_navigations_(number_of_navigations),
+      message_loop_runner_(new MessageLoopRunner) {
+}
+
+TestFrameNavigationObserver::TestFrameNavigationObserver(
+    FrameTreeNode* node)
+    : WebContentsObserver(
+          node->current_frame_host()->delegate()->GetAsWebContents()),
+      frame_tree_node_id_(node->frame_tree_node_id()),
+      navigation_started_(false),
+      navigations_completed_(0),
+      number_of_navigations_(1),
+      message_loop_runner_(new MessageLoopRunner) {
+}
+
+TestFrameNavigationObserver::~TestFrameNavigationObserver() {
+}
+
+void TestFrameNavigationObserver::Wait() {
+  message_loop_runner_->Run();
+}
+
+void TestFrameNavigationObserver::DidStartProvisionalLoadForFrame(
+    int64 frame_id,
+    int64 parent_frame_id,
+    bool is_main_frame,
+    const GURL& validated_url,
+    bool is_error_page,
+    bool is_iframe_srcdoc,
+    RenderViewHost* render_view_host) {
+  RenderFrameHostImpl* rfh = RenderFrameHostImpl::FromID(
+      render_view_host->GetProcess()->GetID(), frame_id);
+  if (!rfh)
+    return;
+
+  if (rfh->frame_tree_node()->frame_tree_node_id() == frame_tree_node_id_)
+    navigation_started_ = true;
+}
+
+void TestFrameNavigationObserver::DidNavigateAnyFrame(
+    const LoadCommittedDetails& details,
+    const FrameNavigateParams& params) {
+  if (!navigation_started_)
+    return;
+
+  ++navigations_completed_;
+  if (navigations_completed_ == number_of_navigations_) {
+    navigation_started_ = false;
+    message_loop_runner_->Quit();
+  }
+}
+
+}  // namespace content