[Autofill] Migrate ContentPasswordManagerDriver<-->Password{Autofill,Generation}Agent IPCs to mojo.

components/autofill/content/renderer/password_generation_agent.cc

Index: components/autofill/content/renderer/password_generation_agent.cc
diff --git a/components/autofill/content/renderer/password_generation_agent.cc b/components/autofill/content/renderer/password_generation_agent.cc
index 1264b0ce1cf270e3f43d8bc48bf4707fc9cb2dd4..71d45b6756910c9ef6b048542a112159fd3901de 100644
--- a/components/autofill/content/renderer/password_generation_agent.cc
+++ b/components/autofill/content/renderer/password_generation_agent.cc
@@ -21,6 +21,7 @@
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
 #include "google_apis/gaia/gaia_urls.h"
+#include "services/shell/public/cpp/interface_registry.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
@@ -127,11 +128,20 @@ PasswordGenerationAgent::PasswordGenerationAgent(
       editing_popup_shown_(false),
       enabled_(password_generation::IsPasswordGenerationEnabled()),
       form_classifier_enabled_(false),
-      password_agent_(password_agent) {
+      password_agent_(password_agent),
+      binding_(this) {
   VLOG(2) << "Password Generation is " << (enabled_ ? "Enabled" : "Disabled");
+  // PasswordGenerationAgent is guaranteed to outlive |render_frame|.
+  render_frame->GetInterfaceRegistry()->AddInterface(base::Bind(
+      &PasswordGenerationAgent::BindRequest, base::Unretained(this)));
 }
 PasswordGenerationAgent::~PasswordGenerationAgent() {}
 
+void PasswordGenerationAgent::BindRequest(
+    mojom::PasswordGenerationAgentRequest request) {
+  binding_.Bind(std::move(request));
+}
+
 void PasswordGenerationAgent::DidFinishDocumentLoad() {
   // Update stats for main frame navigation.
   if (!render_frame()->GetWebFrame()->parent()) {
@@ -196,7 +206,7 @@ void PasswordGenerationAgent::OnDynamicFormsSeen() {
   FindPossibleGenerationForm();
 }
 
-void PasswordGenerationAgent::OnAllowToRunFormClassifier() {
+void PasswordGenerationAgent::AllowToRunFormClassifier() {
   form_classifier_enabled_ = true;
 }
 
@@ -207,8 +217,8 @@ void PasswordGenerationAgent::RunFormClassifierAndSaveVote(
 
   base::string16 generation_field;
   ClassifyFormAndFindGenerationField(web_form, &generation_field);
-  Send(new AutofillHostMsg_SaveGenerationFieldDetectedByClassifier(
-      routing_id(), form, generation_field));
+  GetPasswordManagerDriver()->SaveGenerationFieldDetectedByClassifier(
+      form, generation_field);
 }
 
 void PasswordGenerationAgent::FindPossibleGenerationForm() {
@@ -280,30 +290,12 @@ bool PasswordGenerationAgent::ShouldAnalyzeDocument() const {
   return true;
 }
 
-bool PasswordGenerationAgent::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(PasswordGenerationAgent, message)
-    IPC_MESSAGE_HANDLER(AutofillMsg_FormNotBlacklisted,
-                        OnFormNotBlacklisted)
-    IPC_MESSAGE_HANDLER(AutofillMsg_GeneratedPasswordAccepted,
-                        OnPasswordAccepted)
-    IPC_MESSAGE_HANDLER(AutofillMsg_FoundFormsEligibleForGeneration,
-                        OnFormsEligibleForGenerationFound);
-    IPC_MESSAGE_HANDLER(AutofillMsg_UserTriggeredGeneratePassword,
-                        OnUserTriggeredGeneratePassword);
-    IPC_MESSAGE_HANDLER(AutofillMsg_AllowToRunFormClassifier,
-                        OnAllowToRunFormClassifier);
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void PasswordGenerationAgent::OnFormNotBlacklisted(const PasswordForm& form) {
+void PasswordGenerationAgent::FormNotBlacklisted(const PasswordForm& form) {
   not_blacklisted_password_form_origins_.push_back(form.origin);
   DetermineGenerationElement();
 }
 
-void PasswordGenerationAgent::OnPasswordAccepted(
+void PasswordGenerationAgent::GeneratedPasswordAccepted(
     const base::string16& password) {
   password_is_generated_ = true;
   password_generation::LogPasswordGenerationEvent(
@@ -325,8 +317,7 @@ void PasswordGenerationAgent::OnPasswordAccepted(
   }
   std::unique_ptr<PasswordForm> presaved_form(CreatePasswordFormToPresave());
   if (presaved_form) {
-    Send(new AutofillHostMsg_PresaveGeneratedPassword(routing_id(),
-                                                      *presaved_form));
+    GetPasswordManagerDriver()->PresaveGeneratedPassword(*presaved_form);
   }
 }
 
@@ -354,8 +345,8 @@ PasswordGenerationAgent::CreatePasswordFormToPresave() {
   return password_form;
 }
 
-void PasswordGenerationAgent::OnFormsEligibleForGenerationFound(
-    const std::vector<autofill::PasswordFormGenerationData>& forms) {
+void PasswordGenerationAgent::FoundFormsEligibleForGeneration(
+    const std::vector<PasswordFormGenerationData>& forms) {
   generation_enabled_forms_.insert(generation_enabled_forms_.end(),
                                    forms.begin(), forms.end());
   DetermineGenerationElement();
@@ -483,8 +474,7 @@ bool PasswordGenerationAgent::TextDidChangeInTextField(
       std::unique_ptr<PasswordForm> presaved_form(
           CreatePasswordFormToPresave());
       if (presaved_form) {
-        Send(new AutofillHostMsg_PasswordNoLongerGenerated(routing_id(),
-                                                           *presaved_form));
+        GetPasswordManagerDriver()->PasswordNoLongerGenerated(*presaved_form);
       }
     }
 
@@ -501,8 +491,7 @@ bool PasswordGenerationAgent::TextDidChangeInTextField(
         &generation_form_data_->password_elements);
     std::unique_ptr<PasswordForm> presaved_form(CreatePasswordFormToPresave());
     if (presaved_form) {
-      Send(new AutofillHostMsg_PresaveGeneratedPassword(routing_id(),
-                                                        *presaved_form));
+      GetPasswordManagerDriver()->PresaveGeneratedPassword(*presaved_form);
     }
   } else if (element.value().length() > kMaximumOfferSize) {
     // User has rejected the feature and has started typing a password.
@@ -546,7 +535,7 @@ void PasswordGenerationAgent::HidePopup() {
   Send(new AutofillHostMsg_HidePasswordGenerationPopup(routing_id()));
 }
 
-void PasswordGenerationAgent::OnUserTriggeredGeneratePassword() {
+void PasswordGenerationAgent::UserTriggeredGeneratePassword() {
   if (last_focused_password_element_.isNull() || !render_frame())
     return;
 
@@ -581,4 +570,10 @@ void PasswordGenerationAgent::OnUserTriggeredGeneratePassword() {
   ShowGenerationPopup();
 }
 
+const mojom::PasswordManagerDriverPtr&
+PasswordGenerationAgent::GetPasswordManagerDriver() {
+  DCHECK(password_agent_);
+  return password_agent_->GetPasswordManagerDriver();
+}
+
 }  // namespace autofill