Move core pieces of chrome\browser. I've only gone up to "g", will do the re...

chrome/browser/browsing_instance.cc

Index: chrome/browser/browsing_instance.cc
===================================================================
--- chrome/browser/browsing_instance.cc	(revision 75626)
+++ chrome/browser/browsing_instance.cc	(working copy)
@@ -1,149 +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/browsing_instance.h"
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/renderer_host/site_instance.h"
-#include "chrome/browser/webui/web_ui_factory.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/url_constants.h"
-
-// static
-BrowsingInstance::ProfileSiteInstanceMap
-    BrowsingInstance::profile_site_instance_map_;
-
-BrowsingInstance::BrowsingInstance(Profile* profile)
-    : profile_(profile) {
-}
-
-bool BrowsingInstance::ShouldUseProcessPerSite(const GURL& url) {
-  // Returns true if we should use the process-per-site model.  This will be
-  // the case if the --process-per-site switch is specified, or in
-  // process-per-site-instance for particular sites (e.g., the new tab page).
-
-  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(switches::kProcessPerSite))
-    return true;
-
-  // We want to consolidate particular sites like extensions and WebUI whether
-  // it is in process-per-tab or process-per-site-instance.
-  // Note that --single-process may have been specified, but that affects the
-  // process creation logic in RenderProcessHost, so we do not need to worry
-  // about it here.
-
-  if (url.SchemeIs(chrome::kExtensionScheme))
-    return true;
-
-  // DevTools pages have WebUI type but should not reuse the same host.
-  if (WebUIFactory::UseWebUIForURL(profile_, url) &&
-      !url.SchemeIs(chrome::kChromeDevToolsScheme))
-    return true;
-
-  // In all other cases, don't use process-per-site logic.
-  return false;
-}
-
-BrowsingInstance::SiteInstanceMap* BrowsingInstance::GetSiteInstanceMap(
-    Profile* profile, const GURL& url) {
-  if (!ShouldUseProcessPerSite(SiteInstance::GetEffectiveURL(profile, url))) {
-    // Not using process-per-site, so use a map specific to this instance.
-    return &site_instance_map_;
-  }
-
-  // Otherwise, process-per-site is in use, at least for this URL.  Look up the
-  // global map for this profile, creating an entry if necessary.
-  ProfileId runtime_id = profile ? profile->GetRuntimeId()
-                                 : Profile::InvalidProfileId;
-  return &profile_site_instance_map_[runtime_id];
-}
-
-bool BrowsingInstance::HasSiteInstance(const GURL& url) {
-  std::string site =
-      SiteInstance::GetSiteForURL(profile_, url).possibly_invalid_spec();
-
-  SiteInstanceMap* map = GetSiteInstanceMap(profile_, url);
-  SiteInstanceMap::iterator i = map->find(site);
-  return (i != map->end());
-}
-
-SiteInstance* BrowsingInstance::GetSiteInstanceForURL(const GURL& url) {
-  std::string site =
-      SiteInstance::GetSiteForURL(profile_, url).possibly_invalid_spec();
-
-  SiteInstanceMap* map = GetSiteInstanceMap(profile_, url);
-  SiteInstanceMap::iterator i = map->find(site);
-  if (i != map->end()) {
-    return i->second;
-  }
-
-  // No current SiteInstance for this site, so let's create one.
-  SiteInstance* instance = new SiteInstance(this);
-
-  // Set the site of this new SiteInstance, which will register it with us.
-  instance->SetSite(url);
-  return instance;
-}
-
-void BrowsingInstance::RegisterSiteInstance(SiteInstance* site_instance) {
-  DCHECK(site_instance->browsing_instance() == this);
-  DCHECK(site_instance->has_site());
-  std::string site = site_instance->site().possibly_invalid_spec();
-
-  // Only register if we don't have a SiteInstance for this site already.
-  // It's possible to have two SiteInstances point to the same site if two
-  // tabs are navigated there at the same time.  (We don't call SetSite or
-  // register them until DidNavigate.)  If there is a previously existing
-  // SiteInstance for this site, we just won't register the new one.
-  SiteInstanceMap* map = GetSiteInstanceMap(profile_, site_instance->site());
-  SiteInstanceMap::iterator i = map->find(site);
-  if (i == map->end()) {
-    // Not previously registered, so register it.
-    (*map)[site] = site_instance;
-  }
-}
-
-void BrowsingInstance::UnregisterSiteInstance(SiteInstance* site_instance) {
-  DCHECK(site_instance->browsing_instance() == this);
-  DCHECK(site_instance->has_site());
-  std::string site = site_instance->site().possibly_invalid_spec();
-
-  // Only unregister the SiteInstance if it is the same one that is registered
-  // for the site.  (It might have been an unregistered SiteInstance.  See the
-  // comments in RegisterSiteInstance.)
-
-  // We look for the site instance in both the local site_instance_map_ and also
-  // the static profile_site_instance_map_ - this is because the logic in
-  // ShouldUseProcessPerSite() can produce different results over the lifetime
-  // of Chrome (e.g. installation of apps with web extents can change our
-  // process-per-site policy for a given domain), so we don't know which map
-  // the site was put into when it was originally registered.
-  if (!RemoveSiteInstanceFromMap(&site_instance_map_, site, site_instance)) {
-    // Wasn't in our local map, so look in the static per-profile map.
-    ProfileId runtime_id = profile_ ? profile_->GetRuntimeId()
-                                    : Profile::InvalidProfileId;
-    RemoveSiteInstanceFromMap(
-        &profile_site_instance_map_[runtime_id], site, site_instance);
-  }
-}
-
-bool BrowsingInstance::RemoveSiteInstanceFromMap(SiteInstanceMap* map,
-                                                 const std::string& site,
-                                                 SiteInstance* site_instance) {
-  SiteInstanceMap::iterator i = map->find(site);
-  if (i != map->end() && i->second == site_instance) {
-    // Matches, so erase it.
-    map->erase(i);
-    return true;
-  }
-  return false;
-}
-
-BrowsingInstance::~BrowsingInstance() {
-  // We should only be deleted when all of the SiteInstances that refer to
-  // us are gone.
-  DCHECK(site_instance_map_.empty());
-}