Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/shell/common/shell_extensions_client.cc

Index: extensions/shell/common/shell_extensions_client.cc
diff --git a/extensions/shell/common/shell_extensions_client.cc b/extensions/shell/common/shell_extensions_client.cc
index 58a2e2fa3413c78340bd835bd40247d8bae7350f..76f5a5835e82b8b5d22135ed9ef827e040ce7c1f 100644
--- a/extensions/shell/common/shell_extensions_client.cc
+++ b/extensions/shell/common/shell_extensions_client.cc
@@ -96,10 +96,10 @@ const std::string ShellExtensionsClient::GetProductName() {
   return "app_shell";
 }
 
-scoped_ptr<FeatureProvider> ShellExtensionsClient::CreateFeatureProvider(
+std::unique_ptr<FeatureProvider> ShellExtensionsClient::CreateFeatureProvider(
     const std::string& name) const {
-  scoped_ptr<FeatureProvider> provider;
-  scoped_ptr<JSONFeatureProviderSource> source(
+  std::unique_ptr<FeatureProvider> provider;
+  std::unique_ptr<JSONFeatureProviderSource> source(
       CreateFeatureProviderSource(name));
   if (name == "api") {
     provider.reset(new BaseFeatureProvider(source->dictionary(),
@@ -119,10 +119,10 @@ scoped_ptr<FeatureProvider> ShellExtensionsClient::CreateFeatureProvider(
   return provider;
 }
 
-scoped_ptr<JSONFeatureProviderSource>
+std::unique_ptr<JSONFeatureProviderSource>
 ShellExtensionsClient::CreateFeatureProviderSource(
     const std::string& name) const {
-  scoped_ptr<JSONFeatureProviderSource> source(
+  std::unique_ptr<JSONFeatureProviderSource> source(
       new JSONFeatureProviderSource(name));
   if (name == "api") {
     source->LoadJSON(IDR_EXTENSION_API_FEATURES);