Privatize StrongBinding lifetime management

content/browser/wake_lock/wake_lock_service_impl.h

Index: content/browser/wake_lock/wake_lock_service_impl.h
diff --git a/content/browser/wake_lock/wake_lock_service_impl.h b/content/browser/wake_lock/wake_lock_service_impl.h
index 813a56b91dacd9eae6d5fdfcc369d1669c8800a5..4b4685e1604c6eec3e2c843a438bffdb8b36ac8d 100644
--- a/content/browser/wake_lock/wake_lock_service_impl.h
+++ b/content/browser/wake_lock/wake_lock_service_impl.h
@@ -8,7 +8,6 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "third_party/WebKit/public/platform/modules/wake_lock/wake_lock_service.mojom.h"
 
 namespace content {
@@ -17,11 +16,9 @@ class WakeLockServiceContext;
 
 class WakeLockServiceImpl : public blink::mojom::WakeLockService {
  public:
-  WakeLockServiceImpl(
-      base::WeakPtr<WakeLockServiceContext> context,
-      int render_process_id,
-      int render_frame_id,
-      mojo::InterfaceRequest<blink::mojom::WakeLockService> request);
+  WakeLockServiceImpl(base::WeakPtr<WakeLockServiceContext> context,
+                      int render_process_id,
+                      int render_frame_id);
   ~WakeLockServiceImpl() override;
 
   // WakeLockSevice implementation.
@@ -32,7 +29,6 @@ class WakeLockServiceImpl : public blink::mojom::WakeLockService {
   base::WeakPtr<WakeLockServiceContext> context_;
   const int render_process_id_;
   const int render_frame_id_;
-  mojo::StrongBinding<blink::mojom::WakeLockService> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(WakeLockServiceImpl);
 };