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

components/password_manager/content/browser/content_password_manager_driver_unittest.cc

Index: components/password_manager/content/browser/content_password_manager_driver_unittest.cc
diff --git a/components/password_manager/content/browser/content_password_manager_driver_unittest.cc b/components/password_manager/content/browser/content_password_manager_driver_unittest.cc
index 267aa3797ac7348c166682252865e2c2bc97265f..06e21b397ded4a8bfb76854026bbb627bbb84071 100644
--- a/components/password_manager/content/browser/content_password_manager_driver_unittest.cc
+++ b/components/password_manager/content/browser/content_password_manager_driver_unittest.cc
@@ -4,17 +4,16 @@
 
 #include "components/password_manager/content/browser/content_password_manager_driver.h"
 
-#include <stdint.h>
-
-#include <tuple>
-
 #include "base/macros.h"
-#include "components/autofill/content/common/autofill_messages.h"
+#include "base/run_loop.h"
+#include "components/autofill/content/public/interfaces/autofill_agent.mojom.h"
 #include "components/autofill/core/browser/test_autofill_client.h"
 #include "components/password_manager/core/browser/stub_log_manager.h"
 #include "components/password_manager/core/browser/stub_password_manager_client.h"
-#include "content/public/test/mock_render_process_host.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/test/test_renderer_host.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/shell/public/cpp/interface_provider.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -40,6 +39,55 @@ class MockPasswordManagerClient : public StubPasswordManagerClient {
   DISALLOW_COPY_AND_ASSIGN(MockPasswordManagerClient);
 };
 
+class FakePasswordAutofillAgent
+    : public autofill::mojom::PasswordAutofillAgent {
+ public:
+  FakePasswordAutofillAgent()
+      : called_set_logging_state_(false),
+        logging_state_active_(false),
+        binding_(this) {}
+
+  ~FakePasswordAutofillAgent() override {}
+
+  void BindRequest(mojo::ScopedMessagePipeHandle handle) {
+    binding_.Bind(mojo::MakeRequest<autofill::mojom::PasswordAutofillAgent>(
+        std::move(handle)));
+  }
+
+  bool called_set_logging_state() { return called_set_logging_state_; }
+
+  bool logging_state_active() { return logging_state_active_; }
+
+  void reset_data() {
+    called_set_logging_state_ = false;
+    logging_state_active_ = false;
+  }
+
+ private:
+  // autofill::mojom::PasswordAutofillAgent:
+  void FillPasswordForm(
+      int key,
+      const autofill::PasswordFormFillData& form_data) override {}
+
+  void SetLoggingState(bool active) override {
+    called_set_logging_state_ = true;
+    logging_state_active_ = active;
+  }
+
+  void AutofillUsernameAndPasswordDataReceived(
+      const autofill::FormsPredictionsMap& predictions) override {}
+
+  void FindFocusedPasswordForm(
+      const FindFocusedPasswordFormCallback& callback) override {}
+
+  // Records whether SetLoggingState() gets called.
+  bool called_set_logging_state_;
+  // Records data received via SetLoggingState() call.
+  bool logging_state_active_;
+
+  mojo::Binding<autofill::mojom::PasswordAutofillAgent> binding_;
+};
+
 }  // namespace
 
 class ContentPasswordManagerDriverTest
@@ -50,18 +98,24 @@ class ContentPasswordManagerDriverTest
     content::RenderViewHostTestHarness::SetUp();
     ON_CALL(password_manager_client_, GetLogManager())
         .WillByDefault(Return(&log_manager_));
+
+    shell::InterfaceProvider* remote_interfaces =
+        web_contents()->GetMainFrame()->GetRemoteInterfaces();
+    shell::InterfaceProvider::TestApi test_api(remote_interfaces);
+    test_api.SetBinderForName(
+        autofill::mojom::PasswordAutofillAgent::Name_,
+        base::Bind(&FakePasswordAutofillAgent::BindRequest,
+                   base::Unretained(&fake_agent_)));
   }
 
   bool WasLoggingActivationMessageSent(bool* activation_flag) {
-    const uint32_t kMsgID = AutofillMsg_SetLoggingState::ID;
-    const IPC::Message* message =
-        process()->sink().GetFirstMessageMatching(kMsgID);
-    if (!message)
+    base::RunLoop().RunUntilIdle();
+    if (!fake_agent_.called_set_logging_state())
       return false;
-    std::tuple<bool> param;
-    AutofillMsg_SetLoggingState::Read(message, &param);
-    *activation_flag = std::get<0>(param);
-    process()->sink().ClearMessages();
+
+    if (activation_flag)
+      *activation_flag = fake_agent_.logging_state_active();
+    fake_agent_.reset_data();
     return true;
   }
 
@@ -69,6 +123,8 @@ class ContentPasswordManagerDriverTest
   MockLogManager log_manager_;
   MockPasswordManagerClient password_manager_client_;
   autofill::TestAutofillClient autofill_client_;
+
+  FakePasswordAutofillAgent fake_agent_;
 };
 
 TEST_P(ContentPasswordManagerDriverTest,
@@ -77,7 +133,6 @@ TEST_P(ContentPasswordManagerDriverTest,
   std::unique_ptr<ContentPasswordManagerDriver> driver(
       new ContentPasswordManagerDriver(main_rfh(), &password_manager_client_,
                                        &autofill_client_));
-  process()->sink().ClearMessages();
 
   EXPECT_CALL(log_manager_, IsLoggingActive())
       .WillRepeatedly(Return(should_allow_logging));
@@ -102,11 +157,10 @@ TEST_P(ContentPasswordManagerDriverTest, AnswerToIPCPingsAboutLoggingState) {
   EXPECT_CALL(log_manager_, IsLoggingActive())
       .WillRepeatedly(Return(should_allow_logging));
   driver->SendLoggingAvailability();
-  process()->sink().ClearMessages();
+  WasLoggingActivationMessageSent(nullptr);
 
   // Ping the driver for logging activity update.
-  AutofillHostMsg_PasswordAutofillAgentConstructed msg(0);
-  driver->HandleMessage(msg);
+  driver->PasswordAutofillAgentConstructed();
 
   bool logging_activated = false;
   EXPECT_TRUE(WasLoggingActivationMessageSent(&logging_activated));