WebView autofill implementation

components/autofill/core/browser/autofill_manager.cc

Index: components/autofill/core/browser/autofill_manager.cc
diff --git a/components/autofill/core/browser/autofill_manager.cc b/components/autofill/core/browser/autofill_manager.cc
index 933b7c5dd41a1549fca6c368a1235d2e756ba4c3..6a89df05b1024e4aaac09669b665862d4d4ae4b6 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -42,6 +42,7 @@
 #include "components/autofill/core/browser/autofill_manager_test_delegate.h"
 #include "components/autofill/core/browser/autofill_metrics.h"
 #include "components/autofill/core/browser/autofill_profile.h"
+#include "components/autofill/core/browser/autofill_provider.h"
 #include "components/autofill/core/browser/autofill_type.h"
 #include "components/autofill/core/browser/country_names.h"
 #include "components/autofill/core/browser/credit_card.h"
@@ -215,7 +216,8 @@ AutofillManager::AutofillManager(
     AutofillDriver* driver,
     AutofillClient* client,
     const std::string& app_locale,
-    AutofillDownloadManagerState enable_download_manager)
+    AutofillDownloadManagerState enable_download_manager,
+    AutofillProvider* provider)
     : driver_(driver),
       client_(client),
       payments_client_(base::MakeUnique<payments::PaymentsClient>(
@@ -249,6 +251,7 @@ AutofillManager::AutofillManager(
 #if defined(OS_ANDROID) || defined(OS_IOS)
       autofill_assistant_(this),
 #endif
+      provider_(provider),
       weak_ptr_factory_(this) {
   if (enable_download_manager == ENABLE_AUTOFILL_DOWNLOAD_MANAGER) {
     download_manager_.reset(new AutofillDownloadManager(driver, this));
@@ -367,6 +370,9 @@ void AutofillManager::OnFormsSeen(const std::vector<FormData>& forms,
   if (!driver_->RendererIsAvailable())
     return;
 
+  if (provider_)
+    return;
+
   bool enabled = IsAutofillEnabled();
   if (!has_logged_autofill_enabled_) {
     AutofillMetrics::LogIsAutofillEnabledAtPageLoad(enabled);
@@ -388,6 +394,11 @@ bool AutofillManager::OnWillSubmitForm(const FormData& form,
   if (!IsValidFormData(form))
     return false;
 
+  if (provider_) {
+    provider_->OnWillSubmitForm(this, form, timestamp);
+    return true;
+  }
+
   // We will always give Autocomplete a chance to save the data.
   std::unique_ptr<FormStructure> submitted_form = ValidateSubmittedForm(form);
   if (!submitted_form) {
@@ -418,6 +429,9 @@ bool AutofillManager::OnFormSubmitted(const FormData& form) {
   if (!IsValidFormData(form))
     return false;
 
+  if (provider_)
+    return true;
+
   // We will always give Autocomplete a chance to save the data.
   std::unique_ptr<FormStructure> submitted_form = ValidateSubmittedForm(form);
   if (!submitted_form) {
@@ -512,6 +526,11 @@ void AutofillManager::OnTextFieldDidChange(const FormData& form,
   if (!IsValidFormData(form) || !IsValidFormFieldData(field))
     return;
 
+  if (provider_) {
+    provider_->OnTextFieldDidChange(this, form, field, timestamp);
+    return;
+  }
+
   if (test_delegate_)
     test_delegate_->OnTextFieldChanged();
 
@@ -561,6 +580,12 @@ void AutofillManager::OnQueryFormFieldAutofill(int query_id,
   gfx::RectF transformed_box =
       driver_->TransformBoundingBoxToViewportCoordinates(bounding_box);
 
+  if (provider_) {
+    provider_->OnQueryFormFieldAutofill(this, query_id, form, field,
+                                        transformed_box);
+    return;
+  }
+
   external_delegate_->OnQuery(query_id, form, field, transformed_box);
 
   // Need to refresh models before using the form_event_loggers.
@@ -810,6 +835,10 @@ void AutofillManager::FillCreditCardForm(int query_id,
 }
 
 void AutofillManager::OnFocusNoLongerOnForm() {
+  if (provider_) {
+    provider_->OnFocusNoLongerOnForm(this);
+    return;
+  }
   ProcessPendingFormForUpload();
 }
 
@@ -820,6 +849,11 @@ void AutofillManager::OnDidPreviewAutofillFormData() {
 
 void AutofillManager::OnDidFillAutofillFormData(const FormData& form,
                                                 const TimeTicks& timestamp) {
+  if (provider_) {
+    provider_->OnDidFillAutofillFormData(this, form, timestamp);
+    return;
+  }
+
   if (test_delegate_)
     test_delegate_->DidFillFormData();
 
@@ -863,7 +897,7 @@ void AutofillManager::DidShowSuggestions(bool is_new_popup,
 }
 
 void AutofillManager::OnHidePopup() {
-  if (!IsAutofillEnabled())
+  if (!IsAutofillEnabled() || provider_)
     return;
 
   autocomplete_history_manager_->CancelPendingQuery();
@@ -977,6 +1011,9 @@ void AutofillManager::SetTestDelegate(AutofillManagerTestDelegate* delegate) {
 
 void AutofillManager::OnSetDataList(const std::vector<base::string16>& values,
                                     const std::vector<base::string16>& labels) {
+  if (provider_)
+    return;
+
   if (!IsValidString16Vector(values) ||
       !IsValidString16Vector(labels) ||
       values.size() != labels.size())
@@ -1142,6 +1179,8 @@ void AutofillManager::OnDidGetUploadRiskData(const std::string& risk_data) {
 }
 
 void AutofillManager::OnDidEndTextFieldEditing() {
+  if (provider_)
+    return;
   external_delegate_->DidEndTextFieldEditing();
 }
 
@@ -1723,6 +1762,13 @@ void AutofillManager::FillOrPreviewDataModelForm(
   driver_->SendFormDataToRenderer(query_id, action, result);
 }
 
+void AutofillManager::SendFormDataToRenderer(
+    int query_id,
+    AutofillDriver::RendererFormDataAction action,
+    const FormData& data) {
+  driver_->SendFormDataToRenderer(query_id, action, data);
+}
+
 std::unique_ptr<FormStructure> AutofillManager::ValidateSubmittedForm(
     const FormData& form) {
   std::unique_ptr<FormStructure> submitted_form(