Enable Autocomplete feature for chromium webview

android_webview/browser/aw_browser_context.cc

 // Copyright (c) 2012 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 "android_webview/browser/aw_browser_context.h"
 
 #include "android_webview/browser/aw_form_database_service.h"
+#include "android_webview/browser/aw_pref_store.h"
 #include "android_webview/browser/aw_quota_manager_bridge.h"
 #include "android_webview/browser/jni_dependency_factory.h"
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/pref_service.h"
+#include "base/prefs/pref_service_builder.h"
+#include "components/autofill/common/autofill_pref_names.h"
+#include "components/user_prefs/user_prefs.h"
 #include "components/visitedlink/browser/visitedlink_master.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "net/url_request/url_request_context.h"
 
 namespace android_webview {
 
 namespace {
 
+// Shows notifications which correspond to PersistentPrefStore's reading errors.
+void HandleReadError(PersistentPrefStore::PrefReadError error) {
+}
+
 class AwResourceContext : public content::ResourceContext {
  public:
   explicit AwResourceContext(net::URLRequestContextGetter* getter)
       : getter_(getter) {}
   virtual ~AwResourceContext() {}
 
   // content::ResourceContext implementation.
   virtual net::HostResolver* GetHostResolver() OVERRIDE {
     DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
     return getter_->GetURLRequestContext()->host_resolver();
   }
   virtual net::URLRequestContext* GetRequestContext() OVERRIDE {
     DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
     return getter_->GetURLRequestContext();
   }
 
  private:
   net::URLRequestContextGetter* getter_;
 
   DISALLOW_COPY_AND_ASSIGN(AwResourceContext);
 };
 
 }  // namespace
 
 AwBrowserContext::AwBrowserContext(
     const base::FilePath path,
     JniDependencyFactory* native_factory)
     : context_storage_path_(path),
-      native_factory_(native_factory) {
+      native_factory_(native_factory),
+      user_pref_service_ready_(false) {
 }
 
 AwBrowserContext::~AwBrowserContext() {
 }
 
 // static
 AwBrowserContext* AwBrowserContext::FromWebContents(
     content::WebContents* web_contents) {
   // This is safe; this is the only implementation of the browser context.
   return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
@@ skipping 40 matching lines @@
 }
 
 AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
   if (!form_database_service_) {
     form_database_service_.reset(
         new AwFormDatabaseService(context_storage_path_));
   }
   return form_database_service_.get();
 }
 
-AwAutofillManagerDelegate* AwBrowserContext::AutofillManagerDelegate() {
-  return autofill_manager_delegate_.get();
-}
+// Create user pref service for autofill functionality.
+void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
+  if (user_pref_service_ready_)
+    return;
 
-AwAutofillManagerDelegate* AwBrowserContext::CreateAutofillManagerDelegate(
-    bool enabled) {
-  if (!autofill_manager_delegate_) {
-    autofill_manager_delegate_.reset(
-        new AwAutofillManagerDelegate(enabled));
-  }
-  return autofill_manager_delegate_.get();
+  user_pref_service_ready_ = true;
+  PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
+  pref_registry->RegisterBooleanPref(
+      autofill::prefs::kAutofillEnabled, true);
+  pref_registry->RegisterDoublePref(
+      autofill::prefs::kAutofillPositiveUploadRate, 0.0);
+  pref_registry->RegisterDoublePref(
+      autofill::prefs::kAutofillNegativeUploadRate, 0.0);
+
+  PrefServiceBuilder pref_service_builder;
+  pref_service_builder.WithUserPrefs(new AwPrefStore());
+  pref_service_builder.WithReadErrorCallback(base::Bind(&HandleReadError));
+
+  components::UserPrefs::Set(this,
+                             pref_service_builder.Create(pref_registry));
 }
 
 base::FilePath AwBrowserContext::GetPath() {
   return context_storage_path_;
 }
 
 bool AwBrowserContext::IsOffTheRecord() const {
   // Android WebView does not support off the record profile yet.
   return false;
 }
@@ skipping 62 matching lines @@
 
 void AwBrowserContext::RebuildTable(
     const scoped_refptr<URLEnumerator>& enumerator) {
   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
   // can change in the lifetime of this WebView and may not yet be set here.
   // Therefore this initialization path is not used.
   enumerator->OnComplete(true);
 }
 
 }  // namespace android_webview