Implement the autofill UI for chromium powered android webview.

components/autofill/browser/autofill_manager.cc

Index: components/autofill/browser/autofill_manager.cc
diff --git a/components/autofill/browser/autofill_manager.cc b/components/autofill/browser/autofill_manager.cc
index 6ecf9e934fd1580ccae0724bb6c855f80c97de97..2cc8624af0383c09fdcd5d1e6a924d47e6ad44a8 100644
--- a/components/autofill/browser/autofill_manager.cc
+++ b/components/autofill/browser/autofill_manager.cc
@@ -409,6 +409,7 @@ bool AutofillManager::OnFormSubmitted(const FormData& form,
 void AutofillManager::OnFormsSeen(const std::vector<FormData>& forms,
                                   const TimeTicks& timestamp,
                                   autofill::FormsSeenState state) {
+
   bool is_post_document_load = state == autofill::DYNAMIC_FORMS_SEEN;
   bool has_more_forms = state == autofill::PARTIAL_FORMS_SEEN;
   // If new forms were added via AJAX or DHML, treat as new page.
@@ -438,7 +439,6 @@ void AutofillManager::OnFormsSeen(const std::vector<FormData>& forms,
     metric_logger_->LogIsAutofillEnabledAtPageLoad(enabled);
     has_logged_autofill_enabled_ = true;
   }
-
   if (!enabled)
     return;
 
@@ -519,7 +519,8 @@ void AutofillManager::GetAutofillSuggestions(
   RenderViewHost* host = NULL;
   FormStructure* form_structure = NULL;
   AutofillField* autofill_field = NULL;
-  if (GetHost(&host) &&
+  if (personal_data_ &&
+      GetHost(&host) &&
       GetCachedFormAndField(form, field, &form_structure, &autofill_field) &&
       // Don't send suggestions for forms that aren't auto-fillable.
       form_structure->IsAutofillable(false)) {
@@ -716,6 +717,10 @@ void AutofillManager::OnHideAutofillUi() {
 }
 
 void AutofillManager::RemoveAutofillProfileOrCreditCard(int unique_id) {
+
+  if (!personal_data_)
+    return;
+
   const AutofillDataModel* data_model = NULL;
   size_t variant = 0;
   if (!GetProfileOrCreditCard(unique_id, &data_model, &variant)) {
@@ -795,6 +800,7 @@ void AutofillManager::OnSetDataList(const std::vector<base::string16>& values,
 void AutofillManager::OnRequestAutocomplete(
     const FormData& form,
     const GURL& frame_url) {
+
   if (!IsAutofillEnabled()) {
     ReturnAutocompleteResult(WebFormElement::AutocompleteResultErrorDisabled,
                              FormData());
@@ -966,7 +972,7 @@ void AutofillManager::OnMaybeShowAutocheckoutBubble(
 }
 
 void AutofillManager::UploadFormData(const FormStructure& submitted_form) {
-  if (!download_manager_)
+  if (!download_manager_ || !personal_data_)
     return;
 
   // Check if the form is among the forms that were recently auto-filled.
@@ -1038,7 +1044,8 @@ bool AutofillManager::GetHost(RenderViewHost** host) const {
     return false;
 
   // No autofill data to return if the profiles are empty.
-  if (personal_data_->GetProfiles().empty() &&
+  if (personal_data_ &&
+      personal_data_->GetProfiles().empty() &&
       personal_data_->GetCreditCards().empty()) {
     return false;
   }
@@ -1054,6 +1061,9 @@ bool AutofillManager::GetProfileOrCreditCard(
     int unique_id,
     const AutofillDataModel** data_model,
     size_t* variant) const {
+  if (!personal_data_)
+    return false;
+
   // Unpack the |unique_id| into component parts.
   GUIDPair credit_card_guid;
   GUIDPair profile_guid;
@@ -1203,6 +1213,9 @@ void AutofillManager::GetProfileSuggestions(
     std::vector<base::string16>* labels,
     std::vector<base::string16>* icons,
     std::vector<int>* unique_ids) const {
+
+  if (!personal_data_)
+    return;
   std::vector<AutofillFieldType> field_types(form->field_count());
   for (size_t i = 0; i < form->field_count(); ++i) {
     field_types[i] = form->field(i)->type();
@@ -1226,6 +1239,10 @@ void AutofillManager::GetCreditCardSuggestions(
     std::vector<base::string16>* labels,
     std::vector<base::string16>* icons,
     std::vector<int>* unique_ids) const {
+
+  if (!personal_data_)
+    return;
+
   std::vector<GUIDPair> guid_pairs;
   personal_data_->GetCreditCardSuggestions(
       type, field.value, values, labels, icons, &guid_pairs);