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

extensions/shell/browser/api/identity/identity_api_unittest.cc

Index: extensions/shell/browser/api/identity/identity_api_unittest.cc
diff --git a/extensions/shell/browser/api/identity/identity_api_unittest.cc b/extensions/shell/browser/api/identity/identity_api_unittest.cc
index 0af6e4b13bbb46a23cfce6bb9bf41aae453fe5a7..122b979636e086b48c96052de1f3dfc46d5ecf7e 100644
--- a/extensions/shell/browser/api/identity/identity_api_unittest.cc
+++ b/extensions/shell/browser/api/identity/identity_api_unittest.cc
@@ -4,10 +4,10 @@
 
 #include "extensions/shell/browser/api/identity/identity_api.h"
 
+#include <memory>
 #include <string>
 #include <utility>
 
-#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/browser/api_unittest.h"
@@ -26,9 +26,9 @@ class MockShellOAuth2TokenService : public ShellOAuth2TokenService {
   ~MockShellOAuth2TokenService() override {}
 
   // OAuth2TokenService:
-  scoped_ptr<Request> StartRequest(const std::string& account_id,
-                                   const ScopeSet& scopes,
-                                   Consumer* consumer) override {
+  std::unique_ptr<Request> StartRequest(const std::string& account_id,
+                                        const ScopeSet& scopes,
+                                        Consumer* consumer) override {
     // Immediately return success.
     consumer->OnGetTokenSuccess(nullptr, "logged-in-user-token", base::Time());
     return nullptr;
@@ -108,7 +108,8 @@ TEST_F(IdentityApiTest, GetAuthToken) {
   function->SetMintTokenFlowForTesting(new MockOAuth2MintTokenFlow(function));
 
   // Function succeeds and returns a token (for its callback).
-  scoped_ptr<base::Value> result = RunFunctionAndReturnValue(function, "[{}]");
+  std::unique_ptr<base::Value> result =
+      RunFunctionAndReturnValue(function, "[{}]");
   ASSERT_TRUE(result.get());
   std::string value;
   result->GetAsString(&value);
@@ -122,7 +123,7 @@ TEST_F(IdentityApiTest, RemoveCachedAuthToken) {
   MockShellOAuth2TokenService token_service;
 
   // Function succeeds and returns nothing (for its callback).
-  scoped_ptr<base::Value> result = RunFunctionAndReturnValue(
+  std::unique_ptr<base::Value> result = RunFunctionAndReturnValue(
       new IdentityRemoveCachedAuthTokenFunction, "[{}]");
   EXPECT_FALSE(result.get());
 }