Enable Autocomplete feature for chromium webview

android_webview/browser/aw_autofill_manager_delegate.h

 // Copyright (c) 2013 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_AUTOFILL_MANAGER_DELEGATE_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_AUTOFILL_MANAGER_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/prefs/pref_registry_simple.h"
-#include "base/prefs/pref_service_builder.h"
 #include "components/autofill/browser/autofill_manager_delegate.h"
+#include "content/public/browser/web_contents_user_data.h"
 
 namespace autofill {
 class AutofillMetrics;
 class AutofillPopupDelegate;
 class CreditCard;
 class FormStructure;
 class PasswordGenerator;
 class PersonalDataManager;
 struct FormData;
 namespace autocheckout {
 class WhitelistManager;
 }
 }
 
 namespace content {
 class WebContents;
 }
 
 class PersonalDataManager;
 class PrefService;
 
 namespace android_webview {
 
-class AwAutofillManagerDelegate :
-    public autofill::AutofillManagerDelegate {
+// Manager delegate for the autofill functionality. Android webview
+// supports enabling autocomplete feature for each webview instance
+// (different than the browser which supports enabling/disabling for
+// a profile). Since there is only one pref service for a given browser
+// context, we cannot enable this feature via UserPrefs. Rather, we always
+// keep the feature enabled at the pref service, and control it via
+// the delegates.
+class AwAutofillManagerDelegate
+    : public autofill::AutofillManagerDelegate,
+      public content::WebContentsUserData<AwAutofillManagerDelegate> {
+
  public:
-  AwAutofillManagerDelegate(bool enabled);
   virtual ~AwAutofillManagerDelegate();
 
   void SetSaveFormData(bool enabled);
   bool GetSaveFormData();
 
   // AutofillManagerDelegate implementation.
   virtual autofill::PersonalDataManager* GetPersonalDataManager() OVERRIDE;
   virtual PrefService* GetPrefs() OVERRIDE;
   virtual autofill::autocheckout::WhitelistManager*
       GetAutocheckoutWhitelistManager() const OVERRIDE;
@@ skipping 19 matching lines @@
       const gfx::RectF& element_bounds,
       const std::vector<string16>& values,
       const std::vector<string16>& labels,
       const std::vector<string16>& icons,
       const std::vector<int>& identifiers,
       base::WeakPtr<autofill::AutofillPopupDelegate> delegate) OVERRIDE;
   virtual void HideAutofillPopup() OVERRIDE;
   virtual void UpdateProgressBar(double value) OVERRIDE;
 
  private:
+  AwAutofillManagerDelegate(content::WebContents* contents);
+  friend class content::WebContentsUserData<AwAutofillManagerDelegate>;
+
+  bool save_form_data_;
+
   DISALLOW_COPY_AND_ASSIGN(AwAutofillManagerDelegate);
 };
 
 }  // namespace android_webview
 
 #endif // ANDROID_WEBVIEW_BROWSER_AW_AUTOFILL_MANAGER_DELEGATE_H_