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

extensions/browser/extensions_browser_client.h

Index: extensions/browser/extensions_browser_client.h
diff --git a/extensions/browser/extensions_browser_client.h b/extensions/browser/extensions_browser_client.h
index c8dd9ee4a15a946cdafc76c81661ab7c4e3e5100..03e3e0814064d2eaac0b8cd54f06c8c7ee62c5a9 100644
--- a/extensions/browser/extensions_browser_client.h
+++ b/extensions/browser/extensions_browser_client.h
@@ -10,7 +10,6 @@
 #include <vector>
 
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "extensions/browser/extension_event_histogram_value.h"
 #include "extensions/browser/extension_prefs_observer.h"
@@ -158,7 +157,8 @@ class ExtensionsBrowserClient {
   virtual ProcessManagerDelegate* GetProcessManagerDelegate() const = 0;
 
   // Creates a new ExtensionHostDelegate instance.
-  virtual scoped_ptr<ExtensionHostDelegate> CreateExtensionHostDelegate() = 0;
+  virtual std::unique_ptr<ExtensionHostDelegate>
+  CreateExtensionHostDelegate() = 0;
 
   // Returns true if the client version has updated since the last run. Called
   // once each time the extensions system is loaded per browser_context. The
@@ -196,7 +196,7 @@ class ExtensionsBrowserClient {
   // Creates a RuntimeAPIDelegate responsible for handling extensions
   // management-related events such as update and installation on behalf of the
   // core runtime API implementation.
-  virtual scoped_ptr<RuntimeAPIDelegate> CreateRuntimeAPIDelegate(
+  virtual std::unique_ptr<RuntimeAPIDelegate> CreateRuntimeAPIDelegate(
       content::BrowserContext* context) const = 0;
 
   // Returns the manager of resource bundles used in extensions. Returns NULL if
@@ -206,9 +206,10 @@ class ExtensionsBrowserClient {
 
   // Propagate a event to all the renderers in every browser context. The
   // implementation must be safe to call from any thread.
-  virtual void BroadcastEventToRenderers(events::HistogramValue histogram_value,
-                                         const std::string& event_name,
-                                         scoped_ptr<base::ListValue> args) = 0;
+  virtual void BroadcastEventToRenderers(
+      events::HistogramValue histogram_value,
+      const std::string& event_name,
+      std::unique_ptr<base::ListValue> args) = 0;
 
   // Returns the embedder's net::NetLog.
   virtual net::NetLog* GetNetLog() = 0;
@@ -227,7 +228,7 @@ class ExtensionsBrowserClient {
 
   // Embedders can override this function to handle extension errors.
   virtual void ReportError(content::BrowserContext* context,
-                           scoped_ptr<ExtensionError> error);
+                           std::unique_ptr<ExtensionError> error);
 
   // Returns the ExtensionWebContentsObserver for the given |web_contents|.
   virtual ExtensionWebContentsObserver* GetExtensionWebContentsObserver(