Implement some methods of ChromeBrowserState.

Implement the methods shared between all ChromeBrowserState
sub-classes.

BUG=429756

Review URL: https://codereview.chromium.org/1667743002

Cr-Commit-Position: refs/heads/master@{#373256}

3 files changed, 70 insertions, 5 deletions

diff --git a/ios/chrome/browser/browser_state/DEPS b/ios/chrome/browser/browser_state/DEPS
new file mode 100644
index 0000000..696db98
--- /dev/null
+++ b/ios/chrome/browser/browser_state/DEPS
@@ -0,0 +1,7 @@
+specific_include_rules = {
+  "chrome_browser_state.cc": [
+    # TODO(crbug.com/583685): remove once the //ios/web public API allow
+    # access to that class.
+    "+ios/web/webui/url_data_manager_ios_backend.h"
+  ]
+}
diff --git a/ios/chrome/browser/browser_state/chrome_browser_state.cc b/ios/chrome/browser/browser_state/chrome_browser_state.cc
index 2926e02..adb2333 100644
--- a/ios/chrome/browser/browser_state/chrome_browser_state.cc
+++ b/ios/chrome/browser/browser_state/chrome_browser_state.cc
@@ -4,12 +4,28 @@
 
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 
+#include <utility>
+
 #include "base/files/file_path.h"
+#include "base/logging.h"
+#include "base/sequenced_task_runner.h"
+#include "components/prefs/json_pref_store.h"
+#include "components/syncable_prefs/pref_service_syncable.h"
+#include "ios/chrome/browser/chrome_url_constants.h"
+#include "ios/chrome/browser/net/ios_chrome_url_request_context_getter.h"
+#include "ios/chrome/browser/net/net_types.h"
 #include "ios/public/provider/web/web_ui_ios.h"
 #include "ios/web/public/web_state/web_state.h"
+#include "ios/web/public/web_thread.h"
+#include "ios/web/webui/url_data_manager_ios_backend.h"
+#include "net/url_request/url_request_interceptor.h"
 
 namespace ios {
 
+ChromeBrowserState::ChromeBrowserState() {}
+
+ChromeBrowserState::~ChromeBrowserState() {}
+
 // static
 ChromeBrowserState* ChromeBrowserState::FromBrowserState(
     web::BrowserState* browser_state) {
@@ -33,4 +49,34 @@ std::string ChromeBrowserState::GetDebugName() {
   return name;
 }
 
+scoped_refptr<base::SequencedTaskRunner> ChromeBrowserState::GetIOTaskRunner() {
+  base::FilePath browser_state_path =
+      GetOriginalChromeBrowserState()->GetStatePath();
+  return JsonPrefStore::GetTaskRunnerForFile(browser_state_path,
+                                             web::WebThread::GetBlockingPool());
+}
+
+syncable_prefs::PrefServiceSyncable* ChromeBrowserState::GetSyncablePrefs() {
+  return static_cast<syncable_prefs::PrefServiceSyncable*>(GetPrefs());
+}
+
+TestChromeBrowserState* ChromeBrowserState::AsTestChromeBrowserState() {
+  return nullptr;
+}
+
+net::URLRequestContextGetter* ChromeBrowserState::GetRequestContext() {
+  DCHECK_CURRENTLY_ON_WEB_THREAD(web::WebThread::UI);
+  if (!request_context_getter_) {
+    ProtocolHandlerMap protocol_handlers;
+    protocol_handlers[kChromeUIScheme] =
+        linked_ptr<net::URLRequestJobFactory::ProtocolHandler>(
+            web::URLDataManagerIOSBackend::CreateProtocolHandler(this)
+                .release());
+    URLRequestInterceptorScopedVector request_interceptors;
+    request_context_getter_ = make_scoped_refptr(CreateRequestContext(
+        &protocol_handlers, std::move(request_interceptors)));
+  }
+  return request_context_getter_.get();
+}
+
 }  // namespace ios
diff --git a/ios/chrome/browser/browser_state/chrome_browser_state.h b/ios/chrome/browser/browser_state/chrome_browser_state.h
index b04c33e..31548b9 100644
--- a/ios/chrome/browser/browser_state/chrome_browser_state.h
+++ b/ios/chrome/browser/browser_state/chrome_browser_state.h
@@ -21,6 +21,7 @@ class ChromeBrowserStateIOData;
 class PrefProxyConfigTracker;
 class PrefService;
 class TestChromeBrowserState;
+class TestChromeBrowserStateManager;
 
 namespace base {
 class SequencedTaskRunner;
@@ -50,7 +51,7 @@ enum class ChromeBrowserStateType {
 // This class is a Chrome-specific extension of the BrowserState interface.
 class ChromeBrowserState : public web::BrowserState {
  public:
-  ~ChromeBrowserState() override {}
+  ~ChromeBrowserState() override;
 
   // Returns the ChromeBrowserState corresponding to the given BrowserState.
   static ChromeBrowserState* FromBrowserState(BrowserState* browser_state);
@@ -60,7 +61,7 @@ class ChromeBrowserState : public web::BrowserState {
 
   // Returns sequenced task runner where browser state dependent I/O
   // operations should be performed.
-  virtual scoped_refptr<base::SequencedTaskRunner> GetIOTaskRunner() = 0;
+  virtual scoped_refptr<base::SequencedTaskRunner> GetIOTaskRunner();
 
   // Returns the original "recording" ChromeBrowserState. This method returns
   // |this| if the ChromeBrowserState is not incognito.
@@ -96,7 +97,7 @@ class ChromeBrowserState : public web::BrowserState {
 
   // Retrieves a pointer to the PrefService that manages the preferences as
   // a syncable_prefs::PrefServiceSyncable.
-  virtual syncable_prefs::PrefServiceSyncable* GetSyncablePrefs() = 0;
+  virtual syncable_prefs::PrefServiceSyncable* GetSyncablePrefs();
 
   // Deletes all network related data since |time|. It deletes transport
   // security state since |time| and it also deletes HttpServerProperties data.
@@ -132,12 +133,23 @@ class ChromeBrowserState : public web::BrowserState {
 
   // Returns the current ChromeBrowserState casted as a TestChromeBrowserState
   // or null if it is not a TestChromeBrowserState.
-  virtual TestChromeBrowserState* AsTestChromeBrowserState() = 0;
+  // TODO(crbug.com/583682): This method should not be used. It is there for
+  // supporting a legacy test, and will be removed as soon as the deprecated
+  // test is removed.
+  virtual TestChromeBrowserState* AsTestChromeBrowserState();
+
+  // web::BrowserState
+  net::URLRequestContextGetter* GetRequestContext() override;
 
  protected:
-  ChromeBrowserState() {}
+  ChromeBrowserState();
 
  private:
+  friend class ::TestChromeBrowserState;
+  friend class ::TestChromeBrowserStateManager;
+
+  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserState);
 };