Privatize StrongBinding lifetime management

content/browser/hyphenation/hyphenation_impl.h

Index: content/browser/hyphenation/hyphenation_impl.h
diff --git a/content/browser/hyphenation/hyphenation_impl.h b/content/browser/hyphenation/hyphenation_impl.h
index 9565d2bc98e29172d24485be264d918d14f6821b..6827d026e4a12117c166299d808ef50ac8b9205f 100644
--- a/content/browser/hyphenation/hyphenation_impl.h
+++ b/content/browser/hyphenation/hyphenation_impl.h
@@ -7,13 +7,15 @@
 
 #include "base/macros.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "third_party/WebKit/public/platform/modules/hyphenation/hyphenation.mojom.h"
 
 namespace hyphenation {
 
 class HyphenationImpl : public blink::mojom::Hyphenation {
  public:
+  HyphenationImpl();
+  ~HyphenationImpl() override;
+
   static void Create(blink::mojom::HyphenationRequest);
 
   // Hyphenation:
@@ -21,11 +23,6 @@ class HyphenationImpl : public blink::mojom::Hyphenation {
                       const OpenDictionaryCallback& callback) override;
 
  private:
-  explicit HyphenationImpl(blink::mojom::HyphenationRequest);
-  ~HyphenationImpl() override;
-
-  mojo::StrongBinding<blink::mojom::Hyphenation> binding_;
-
   DISALLOW_COPY_AND_ASSIGN(HyphenationImpl);
 };