Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/test_extensions_browser_client.h

Index: extensions/browser/test_extensions_browser_client.h
diff --git a/extensions/browser/test_extensions_browser_client.h b/extensions/browser/test_extensions_browser_client.h
index 2b0dafb0b7d54a68beb060045b8f84ae71dfe19b..e66fe98910ef7c1c5ff974fd74bf1c503132fba2 100644
--- a/extensions/browser/test_extensions_browser_client.h
+++ b/extensions/browser/test_extensions_browser_client.h
@@ -35,7 +35,7 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
   void set_extension_system_factory(ExtensionSystemProvider* factory) {
     extension_system_factory_ = factory;
   }
-  void set_extension_cache(scoped_ptr<ExtensionCache> extension_cache) {
+  void set_extension_cache(std::unique_ptr<ExtensionCache> extension_cache) {
     extension_cache_ = std::move(extension_cache);
   }
 
@@ -85,7 +85,7 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
       content::BrowserContext* context,
       std::vector<ExtensionPrefsObserver*>* observers) const override;
   ProcessManagerDelegate* GetProcessManagerDelegate() const override;
-  scoped_ptr<ExtensionHostDelegate> CreateExtensionHostDelegate() override;
+  std::unique_ptr<ExtensionHostDelegate> CreateExtensionHostDelegate() override;
   bool DidVersionUpdate(content::BrowserContext* context) override;
   void PermitExternalProtocolHandler() override;
   bool IsRunningInForcedAppMode() override;
@@ -97,13 +97,14 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
       ExtensionFunctionRegistry* registry) const override;
   void RegisterMojoServices(content::RenderFrameHost* render_frame_host,
                             const Extension* extension) const override;
-  scoped_ptr<RuntimeAPIDelegate> CreateRuntimeAPIDelegate(
+  std::unique_ptr<RuntimeAPIDelegate> CreateRuntimeAPIDelegate(
       content::BrowserContext* context) const override;
   const ComponentExtensionResourceManager*
   GetComponentExtensionResourceManager() override;
-  void BroadcastEventToRenderers(events::HistogramValue histogram_value,
-                                 const std::string& event_name,
-                                 scoped_ptr<base::ListValue> args) override;
+  void BroadcastEventToRenderers(
+      events::HistogramValue histogram_value,
+      const std::string& event_name,
+      std::unique_ptr<base::ListValue> args) override;
   net::NetLog* GetNetLog() override;
   ExtensionCache* GetExtensionCache() override;
   bool IsBackgroundUpdateAllowed() override;
@@ -123,7 +124,7 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
   // Not owned, defaults to NULL.
   ExtensionSystemProvider* extension_system_factory_;
 
-  scoped_ptr<ExtensionCache> extension_cache_;
+  std::unique_ptr<ExtensionCache> extension_cache_;
 
   base::Callback<update_client::UpdateClient*(void)> update_client_factory_;