Remove isolated app code from iOS's chrome_browser_state_io_data.

ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc

Index: ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc
diff --git a/ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc b/ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc
index b9d5b88f17c3e9aa5db766da0bd546db49d2046a..9666503feeeab91324f4d8aaef3e0bfc9240fb28 100644
--- a/ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc
+++ b/ios/chrome/browser/browser_state/chrome_browser_state_io_data.cc
@@ -131,30 +131,6 @@ void ChromeBrowserStateIOData::InitializeOnUIThread(
   initialized_on_UI_thread_ = true;
 }
 
-ChromeBrowserStateIOData::AppRequestContext::AppRequestContext() {}
-
-void ChromeBrowserStateIOData::AppRequestContext::SetCookieStore(
-    net::CookieStore* cookie_store) {
-  cookie_store_ = cookie_store;
-  set_cookie_store(cookie_store);
-}
-
-void ChromeBrowserStateIOData::AppRequestContext::SetHttpTransactionFactory(
-    scoped_ptr<net::HttpTransactionFactory> http_factory) {
-  http_factory_ = std::move(http_factory);
-  set_http_transaction_factory(http_factory_.get());
-}
-
-void ChromeBrowserStateIOData::AppRequestContext::SetJobFactory(
-    scoped_ptr<net::URLRequestJobFactory> job_factory) {
-  job_factory_ = std::move(job_factory);
-  set_job_factory(job_factory_.get());
-}
-
-ChromeBrowserStateIOData::AppRequestContext::~AppRequestContext() {
-  AssertNoURLRequests();
-}
-
 ChromeBrowserStateIOData::ProfileParams::ProfileParams()
     : io_thread(nullptr), browser_state(nullptr) {}
 
@@ -172,31 +148,6 @@ ChromeBrowserStateIOData::~ChromeBrowserStateIOData() {
   if (web::WebThread::IsMessageLoopValid(web::WebThread::IO))
     DCHECK_CURRENTLY_ON(web::WebThread::IO);
 
-  // Pull the contents of the request context maps onto the stack for sanity
-  // checking of values in a minidump. http://crbug.com/260425
-  size_t num_app_contexts = app_request_context_map_.size();
-  size_t current_context = 0;
-  static const size_t kMaxCachedContexts = 20;
-  net::URLRequestContext* app_context_cache[kMaxCachedContexts] = {0};
-  void* app_context_vtable_cache[kMaxCachedContexts] = {0};
-  void* tmp_vtable = nullptr;
-  base::debug::Alias(&num_app_contexts);
-  base::debug::Alias(&current_context);
-  base::debug::Alias(app_context_cache);
-  base::debug::Alias(app_context_vtable_cache);
-  base::debug::Alias(&tmp_vtable);
-
-  current_context = 0;
-  for (URLRequestContextMap::const_iterator
-           it = app_request_context_map_.begin();
-       current_context < kMaxCachedContexts &&
-       it != app_request_context_map_.end();
-       ++it, ++current_context) {
-    app_context_cache[current_context] = it->second;
-    memcpy(&app_context_vtable_cache[current_context],
-           static_cast<void*>(it->second), sizeof(void*));
-  }
-
   // Destroy certificate_report_sender_ before main_request_context_,
   // since the former has a reference to the latter.
   if (transport_security_state_)
@@ -207,19 +158,6 @@ ChromeBrowserStateIOData::~ChromeBrowserStateIOData() {
   // are already done in the URLRequestContext destructor.
   if (main_request_context_)
     main_request_context_->AssertNoURLRequests();
-
-  current_context = 0;
-  for (URLRequestContextMap::iterator it = app_request_context_map_.begin();
-       it != app_request_context_map_.end(); ++it) {
-    if (current_context < kMaxCachedContexts) {
-      CHECK_EQ(app_context_cache[current_context], it->second);
-      memcpy(&tmp_vtable, static_cast<void*>(it->second), sizeof(void*));
-      CHECK_EQ(app_context_vtable_cache[current_context], tmp_vtable);
-    }
-    it->second->AssertNoURLRequests();
-    delete it->second;
-    current_context++;
-  }
 }
 
 // static
@@ -254,21 +192,6 @@ net::URLRequestContext* ChromeBrowserStateIOData::GetMainRequestContext()
   return main_request_context_.get();
 }
 
-net::URLRequestContext* ChromeBrowserStateIOData::GetIsolatedAppRequestContext(
-    net::URLRequestContext* main_context,
-    const base::FilePath& partition_path) const {
-  DCHECK(initialized_);
-  net::URLRequestContext* context = nullptr;
-  if (ContainsKey(app_request_context_map_, partition_path)) {
-    context = app_request_context_map_[partition_path];
-  } else {
-    context = AcquireIsolatedAppRequestContext(main_context);
-    app_request_context_map_[partition_path] = context;
-  }
-  DCHECK(context);
-  return context;
-}
-
 content_settings::CookieSettings* ChromeBrowserStateIOData::GetCookieSettings()
     const {
   DCHECK(initialized_);