Convert app banners to use Mojo.

third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h

Index: third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h
diff --git a/third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h b/third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h
index c245656243a394bc9fe94c10bd6daa5450a808e9..77c6f171705d28f864f5e5729ea711ebcc3a1f2c 100644
--- a/third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h
+++ b/third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.h
@@ -7,34 +7,39 @@
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseProperty.h"
+#include "core/frame/LocalFrame.h"
 #include "modules/EventModules.h"
 #include "modules/app_banner/AppBannerPromptResult.h"
-#include "platform/heap/Handle.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "public/platform/modules/app_banner/app_banner.mojom-blink.h"
+#include <utility>
 
 namespace blink {
 
 class BeforeInstallPromptEvent;
 class BeforeInstallPromptEventInit;
-class WebAppBannerClient;
 
 using UserChoiceProperty =
     ScriptPromiseProperty<Member<BeforeInstallPromptEvent>,
                           Member<AppBannerPromptResult>,
                           ToV8UndefinedGenerator>;
 
-class BeforeInstallPromptEvent final : public Event {
+class BeforeInstallPromptEvent final : public Event,
+                                       public mojom::blink::AppBannerEvent {
   DEFINE_WRAPPERTYPEINFO();
+  USING_PRE_FINALIZER(BeforeInstallPromptEvent, dispose);
 
  public:
   ~BeforeInstallPromptEvent() override;
 
-  static BeforeInstallPromptEvent* create(const AtomicString& name,
-                                          ExecutionContext* executionContext,
-                                          const Vector<String>& platforms,
-                                          int requestId,
-                                          WebAppBannerClient* client) {
-    return new BeforeInstallPromptEvent(name, executionContext, platforms,
-                                        requestId, client);
+  static BeforeInstallPromptEvent* create(
+      const AtomicString& name,
+      LocalFrame& frame,
+      mojom::blink::AppBannerServicePtr servicePtr,
+      mojom::blink::AppBannerEventRequest eventRequest,
+      const Vector<String>& platforms) {
+    return new BeforeInstallPromptEvent(name, frame, std::move(servicePtr),
+                                        std::move(eventRequest), platforms);
   }
 
   static BeforeInstallPromptEvent* create(
@@ -43,6 +48,8 @@ class BeforeInstallPromptEvent final : public Event {
     return new BeforeInstallPromptEvent(name, init);
   }
 
+  void dispose();
+
   Vector<String> platforms() const;
   ScriptPromise userChoice(ScriptState*);
   ScriptPromise prompt(ScriptState*);
@@ -54,19 +61,22 @@ class BeforeInstallPromptEvent final : public Event {
 
  private:
   BeforeInstallPromptEvent(const AtomicString& name,
-                           ExecutionContext*,
-                           const Vector<String>& platforms,
-                           int requestId,
-                           WebAppBannerClient*);
+                           LocalFrame&,
+                           mojom::blink::AppBannerServicePtr,
+                           mojom::blink::AppBannerEventRequest,
+                           const Vector<String>& platforms);
   BeforeInstallPromptEvent(const AtomicString& name,
                            const BeforeInstallPromptEventInit&);
 
-  Vector<String> m_platforms;
+  // mojom::blink::AppBannerEvent methods:
+  void BannerAccepted(const String& platform) override;
+  void BannerDismissed() override;
 
-  int m_requestId;
-  WebAppBannerClient* m_client;
+  mojom::blink::AppBannerServicePtr m_bannerService;
+  mojo::Binding<mojom::blink::AppBannerEvent> m_binding;
+  Vector<String> m_platforms;
   Member<UserChoiceProperty> m_userChoice;
-  bool m_registered;
+  bool m_promptCalled;
 };
 
 DEFINE_TYPE_CASTS(BeforeInstallPromptEvent,