Start moving core pieces of Chrome multi-process code to src\content.

chrome/browser/tab_contents/render_view_host_manager_unittest.cc

Index: chrome/browser/tab_contents/render_view_host_manager_unittest.cc
===================================================================
--- chrome/browser/tab_contents/render_view_host_manager_unittest.cc	(revision 75329)
+++ chrome/browser/tab_contents/render_view_host_manager_unittest.cc	(working copy)
@@ -1,345 +0,0 @@
-// Copyright (c) 2011 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/browser_thread.h"
-#include "chrome/browser/browser_url_handler.h"
-#include "chrome/browser/renderer_host/site_instance.h"
-#include "chrome/browser/renderer_host/test/test_render_view_host.h"
-#include "chrome/browser/tab_contents/navigation_controller.h"
-#include "chrome/browser/tab_contents/navigation_entry.h"
-#include "chrome/browser/tab_contents/render_view_host_manager.h"
-#include "chrome/browser/tab_contents/test_tab_contents.h"
-#include "chrome/common/notification_details.h"
-#include "chrome/common/notification_source.h"
-#include "chrome/common/page_transition_types.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/common/render_messages_params.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/test/test_notification_tracker.h"
-#include "chrome/test/testing_profile.h"
-#include "ipc/ipc_message.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class RenderViewHostManagerTest : public RenderViewHostTestHarness {
- public:
-  void NavigateActiveAndCommit(const GURL& url) {
-    // Note: we navigate the active RenderViewHost because previous navigations
-    // won't have committed yet, so NavigateAndCommit does the wrong thing
-    // for us.
-    controller().LoadURL(url, GURL(), PageTransition::LINK);
-    active_rvh()->SendNavigate(
-        static_cast<MockRenderProcessHost*>(active_rvh()->process())->
-            max_page_id() + 1,
-        url);
-  }
-
-  bool ShouldSwapProcesses(RenderViewHostManager* manager,
-                           const NavigationEntry* cur_entry,
-                           const NavigationEntry* new_entry) const {
-    return manager->ShouldSwapProcessesForNavigation(cur_entry, new_entry);
-  }
-};
-
-// Tests that when you navigate from the New TabPage to another page, and
-// then do that same thing in another tab, that the two resulting pages have
-// different SiteInstances, BrowsingInstances, and RenderProcessHosts. This is
-// a regression test for bug 9364.
-TEST_F(RenderViewHostManagerTest, NewTabPageProcesses) {
-  BrowserThread ui_thread(BrowserThread::UI, MessageLoop::current());
-  GURL ntp(chrome::kChromeUINewTabURL);
-  GURL dest("http://www.google.com/");
-
-  // Navigate our first tab to the new tab page and then to the destination.
-  NavigateActiveAndCommit(ntp);
-  NavigateActiveAndCommit(dest);
-
-  // Make a second tab.
-  TestTabContents contents2(profile_.get(), NULL);
-
-  // Load the two URLs in the second tab. Note that the first navigation creates
-  // a RVH that's not pending (since there is no cross-site transition), so
-  // we use the committed one, but the second one is the opposite.
-  contents2.controller().LoadURL(ntp, GURL(), PageTransition::LINK);
-  static_cast<TestRenderViewHost*>(contents2.render_manager()->
-     current_host())->SendNavigate(100, ntp);
-  contents2.controller().LoadURL(dest, GURL(), PageTransition::LINK);
-  static_cast<TestRenderViewHost*>(contents2.render_manager()->
-      pending_render_view_host())->SendNavigate(101, dest);
-
-  // The two RVH's should be different in every way.
-  EXPECT_NE(active_rvh()->process(), contents2.render_view_host()->process());
-  EXPECT_NE(active_rvh()->site_instance(),
-      contents2.render_view_host()->site_instance());
-  EXPECT_NE(active_rvh()->site_instance()->browsing_instance(),
-      contents2.render_view_host()->site_instance()->browsing_instance());
-
-  // Navigate both to the new tab page, and verify that they share a
-  // SiteInstance.
-  NavigateActiveAndCommit(ntp);
-
-  contents2.controller().LoadURL(ntp, GURL(), PageTransition::LINK);
-  static_cast<TestRenderViewHost*>(contents2.render_manager()->
-     pending_render_view_host())->SendNavigate(102, ntp);
-
-  EXPECT_EQ(active_rvh()->site_instance(),
-      contents2.render_view_host()->site_instance());
-}
-
-// When there is an error with the specified page, renderer exits view-source
-// mode. See WebFrameImpl::DidFail(). We check by this test that
-// EnableViewSourceMode message is sent on every navigation regardless
-// RenderView is being newly created or reused.
-TEST_F(RenderViewHostManagerTest, AlwaysSendEnableViewSourceMode) {
-  BrowserThread ui_thread(BrowserThread::UI, MessageLoop::current());
-  const GURL kNtpUrl(chrome::kChromeUINewTabURL);
-  const GURL kUrl("view-source:http://foo");
-
-  // We have to navigate to some page at first since without this, the first
-  // navigation will reuse the SiteInstance created by Init(), and the second
-  // one will create a new SiteInstance. Because current_instance and
-  // new_instance will be different, a new RenderViewHost will be created for
-  // the second navigation. We have to avoid this in order to exercise the
-  // target code patch.
-  NavigateActiveAndCommit(kNtpUrl);
-
-  // Navigate.
-  controller().LoadURL(kUrl, GURL() /* referer */, PageTransition::TYPED);
-  // Simulate response from RenderView for FirePageBeforeUnload.
-  rvh()->TestOnMessageReceived(
-      ViewHostMsg_ShouldClose_ACK(rvh()->routing_id(), true));
-  ASSERT_TRUE(pending_rvh());  // New pending RenderViewHost will be created.
-  RenderViewHost* last_rvh = pending_rvh();
-  int new_id = static_cast<MockRenderProcessHost*>(pending_rvh()->process())->
-               max_page_id() + 1;
-  pending_rvh()->SendNavigate(new_id, kUrl);
-  EXPECT_EQ(controller().last_committed_entry_index(), 1);
-  ASSERT_TRUE(controller().GetLastCommittedEntry());
-  EXPECT_TRUE(kUrl == controller().GetLastCommittedEntry()->url());
-  EXPECT_FALSE(controller().pending_entry());
-  // Because we're using TestTabContents and TestRenderViewHost in this
-  // unittest, no one calls TabContents::RenderViewCreated(). So, we see no
-  // EnableViewSourceMode message, here.
-
-  // Clear queued messages before load.
-  process()->sink().ClearMessages();
-  // Navigate, again.
-  controller().LoadURL(kUrl, GURL() /* referer */, PageTransition::TYPED);
-  // The same RenderViewHost should be reused.
-  EXPECT_FALSE(pending_rvh());
-  EXPECT_TRUE(last_rvh == rvh());
-  rvh()->SendNavigate(new_id, kUrl);  // The same page_id returned.
-  EXPECT_EQ(controller().last_committed_entry_index(), 1);
-  EXPECT_FALSE(controller().pending_entry());
-  // New message should be sent out to make sure to enter view-source mode.
-  EXPECT_TRUE(process()->sink().GetUniqueMessageMatching(
-      ViewMsg_EnableViewSourceMode::ID));
-}
-
-// Tests the Init function by checking the initial RenderViewHost.
-TEST_F(RenderViewHostManagerTest, Init) {
-  // Using TestingProfile.
-  SiteInstance* instance = SiteInstance::CreateSiteInstance(profile_.get());
-  EXPECT_FALSE(instance->has_site());
-
-  TestTabContents tab_contents(profile_.get(), instance);
-  RenderViewHostManager manager(&tab_contents, &tab_contents);
-
-  manager.Init(profile_.get(), instance, MSG_ROUTING_NONE);
-
-  RenderViewHost* host = manager.current_host();
-  ASSERT_TRUE(host);
-  EXPECT_TRUE(instance == host->site_instance());
-  EXPECT_TRUE(&tab_contents == host->delegate());
-  EXPECT_TRUE(manager.GetRenderWidgetHostView());
-  EXPECT_FALSE(manager.pending_render_view_host());
-}
-
-// Tests the Navigate function. We navigate three sites consecutively and check
-// how the pending/committed RenderViewHost are modified.
-TEST_F(RenderViewHostManagerTest, Navigate) {
-  TestNotificationTracker notifications;
-
-  SiteInstance* instance = SiteInstance::CreateSiteInstance(profile_.get());
-
-  TestTabContents tab_contents(profile_.get(), instance);
-  notifications.ListenFor(NotificationType::RENDER_VIEW_HOST_CHANGED,
-                     Source<NavigationController>(&tab_contents.controller()));
-
-  // Create.
-  RenderViewHostManager manager(&tab_contents, &tab_contents);
-
-  manager.Init(profile_.get(), instance, MSG_ROUTING_NONE);
-
-  RenderViewHost* host;
-
-  // 1) The first navigation. --------------------------
-  GURL url1("http://www.google.com/");
-  NavigationEntry entry1(NULL /* instance */, -1 /* page_id */, url1,
-                         GURL() /* referrer */, string16() /* title */,
-                         PageTransition::TYPED);
-  host = manager.Navigate(entry1);
-
-  // The RenderViewHost created in Init will be reused.
-  EXPECT_TRUE(host == manager.current_host());
-  EXPECT_FALSE(manager.pending_render_view_host());
-
-  // Commit.
-  manager.DidNavigateMainFrame(host);
-  // Commit to SiteInstance should be delayed until RenderView commit.
-  EXPECT_TRUE(host == manager.current_host());
-  ASSERT_TRUE(host);
-  EXPECT_FALSE(host->site_instance()->has_site());
-  host->site_instance()->SetSite(url1);
-
-  // 2) Navigate to next site. -------------------------
-  GURL url2("http://www.google.com/foo");
-  NavigationEntry entry2(NULL /* instance */, -1 /* page_id */, url2,
-                         url1 /* referrer */, string16() /* title */,
-                         PageTransition::LINK);
-  host = manager.Navigate(entry2);
-
-  // The RenderViewHost created in Init will be reused.
-  EXPECT_TRUE(host == manager.current_host());
-  EXPECT_FALSE(manager.pending_render_view_host());
-
-  // Commit.
-  manager.DidNavigateMainFrame(host);
-  EXPECT_TRUE(host == manager.current_host());
-  ASSERT_TRUE(host);
-  EXPECT_TRUE(host->site_instance()->has_site());
-
-  // 3) Cross-site navigate to next site. --------------
-  GURL url3("http://webkit.org/");
-  NavigationEntry entry3(NULL /* instance */, -1 /* page_id */, url3,
-                         url2 /* referrer */, string16() /* title */,
-                         PageTransition::LINK);
-  host = manager.Navigate(entry3);
-
-  // A new RenderViewHost should be created.
-  EXPECT_TRUE(manager.pending_render_view_host());
-  EXPECT_TRUE(host == manager.pending_render_view_host());
-
-  notifications.Reset();
-
-  // Commit.
-  manager.DidNavigateMainFrame(manager.pending_render_view_host());
-  EXPECT_TRUE(host == manager.current_host());
-  ASSERT_TRUE(host);
-  EXPECT_TRUE(host->site_instance()->has_site());
-  // Check the pending RenderViewHost has been committed.
-  EXPECT_FALSE(manager.pending_render_view_host());
-
-  // We should observe a notification.
-  EXPECT_TRUE(notifications.Check1AndReset(
-      NotificationType::RENDER_VIEW_HOST_CHANGED));
-}
-
-// Tests WebUI creation.
-TEST_F(RenderViewHostManagerTest, WebUI) {
-  BrowserThread ui_thread(BrowserThread::UI, MessageLoop::current());
-  SiteInstance* instance = SiteInstance::CreateSiteInstance(profile_.get());
-
-  TestTabContents tab_contents(profile_.get(), instance);
-  RenderViewHostManager manager(&tab_contents, &tab_contents);
-
-  manager.Init(profile_.get(), instance, MSG_ROUTING_NONE);
-
-  GURL url(chrome::kChromeUINewTabURL);
-  NavigationEntry entry(NULL /* instance */, -1 /* page_id */, url,
-                        GURL() /* referrer */, string16() /* title */,
-                        PageTransition::TYPED);
-  RenderViewHost* host = manager.Navigate(entry);
-
-  EXPECT_TRUE(host);
-  EXPECT_TRUE(host == manager.current_host());
-  EXPECT_FALSE(manager.pending_render_view_host());
-
-  // It's important that the site instance get set on the Web UI page as soon
-  // as the navigation starts, rather than lazily after it commits, so we don't
-  // try to re-use the SiteInstance/process for non DOM-UI things that may
-  // get loaded in between.
-  EXPECT_TRUE(host->site_instance()->has_site());
-  EXPECT_EQ(url, host->site_instance()->site());
-
-  // The Web UI is committed immediately because the RenderViewHost has not been
-  // used yet. UpdateRendererStateForNavigate() took the short cut path.
-  EXPECT_FALSE(manager.pending_web_ui());
-  EXPECT_TRUE(manager.web_ui());
-
-  // Commit.
-  manager.DidNavigateMainFrame(host);
-}
-
-// Tests that chrome: URLs that are not Web UI pages do not get grouped into
-// Web UI renderers, even if --process-per-tab is enabled.  In that mode, we
-// still swap processes if ShouldSwapProcessesForNavigation is true.
-// Regression test for bug 46290.
-TEST_F(RenderViewHostManagerTest, NonWebUIChromeURLs) {
-  BrowserThread thread(BrowserThread::UI, &message_loop_);
-  SiteInstance* instance = SiteInstance::CreateSiteInstance(profile_.get());
-  TestTabContents tab_contents(profile_.get(), instance);
-  RenderViewHostManager manager(&tab_contents, &tab_contents);
-  manager.Init(profile_.get(), instance, MSG_ROUTING_NONE);
-
-  // NTP is a Web UI page.
-  GURL ntp_url(chrome::kChromeUINewTabURL);
-  NavigationEntry ntp_entry(NULL /* instance */, -1 /* page_id */, ntp_url,
-                            GURL() /* referrer */, string16() /* title */,
-                            PageTransition::TYPED);
-
-  // about: URLs are not Web UI pages.
-  GURL about_url(chrome::kAboutMemoryURL);
-  // Rewrite so it looks like chrome://about/memory
-  bool reverse_on_redirect = false;
-  BrowserURLHandler::RewriteURLIfNecessary(
-      &about_url, profile_.get(), &reverse_on_redirect);
-  NavigationEntry about_entry(NULL /* instance */, -1 /* page_id */, about_url,
-                              GURL() /* referrer */, string16() /* title */,
-                              PageTransition::TYPED);
-
-  EXPECT_TRUE(ShouldSwapProcesses(&manager, &ntp_entry, &about_entry));
-}
-
-// Tests that we don't end up in an inconsistent state if a page does a back and
-// then reload. http://crbug.com/51680
-TEST_F(RenderViewHostManagerTest, PageDoesBackAndReload) {
-  GURL url1("http://www.google.com/");
-  GURL url2("http://www.evil-site.com/");
-
-  // Navigate to a safe site, then an evil site.
-  // This will switch RenderViewHosts.  We cannot assert that the first and
-  // second RVHs are different, though, because the first one may be promptly
-  // deleted.
-  contents()->NavigateAndCommit(url1);
-  contents()->NavigateAndCommit(url2);
-  RenderViewHost* evil_rvh = contents()->render_view_host();
-
-  // Now let's simulate the evil page calling history.back().
-  contents()->OnGoToEntryAtOffset(-1);
-  // We should have a new pending RVH.
-  // Note that in this case, the navigation has not committed, so evil_rvh will
-  // not be deleted yet.
-  EXPECT_NE(evil_rvh, contents()->render_manager()->pending_render_view_host());
-
-  // Before that RVH has committed, the evil page reloads itself.
-  ViewHostMsg_FrameNavigate_Params params;
-  params.page_id = 1;
-  params.url = url2;
-  params.transition = PageTransition::CLIENT_REDIRECT;
-  params.should_update_history = false;
-  params.gesture = NavigationGestureAuto;
-  params.was_within_same_page = false;
-  params.is_post = false;
-  contents()->TestDidNavigate(evil_rvh, params);
-
-  // That should have cancelled the pending RVH, and the evil RVH should be the
-  // current one.
-  EXPECT_TRUE(contents()->render_manager()->pending_render_view_host() == NULL);
-  EXPECT_EQ(evil_rvh, contents()->render_manager()->current_host());
-
-  // Also we should not have a pending navigation entry.
-  NavigationEntry* entry = contents()->controller().GetActiveEntry();
-  ASSERT_TRUE(entry != NULL);
-  EXPECT_EQ(url2, entry->url());
-}