Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/extension_function_test_utils.cc

Index: chrome/browser/extensions/extension_function_test_utils.cc
diff --git a/chrome/browser/extensions/extension_function_test_utils.cc b/chrome/browser/extensions/extension_function_test_utils.cc
index 2f0fc463ee29eb9800571ef5450584fe8c8c2d86..29097ec354b08029b1d50a8c7f58f6e24db7c581 100644
--- a/chrome/browser/extensions/extension_function_test_utils.cc
+++ b/chrome/browser/extensions/extension_function_test_utils.cc
@@ -130,25 +130,31 @@ std::string RunFunctionAndReturnError(UIThreadExtensionFunction* function,
                                       RunFunctionFlags flags) {
   scoped_refptr<ExtensionFunction> function_owner(function);
   RunFunction(function, args, browser, flags);
-  EXPECT_FALSE(function->GetResultValue()) << "Did not expect a result";
+  EXPECT_FALSE(function->GetResultList()) << "Did not expect a result";
   return function->GetError();
 }
 
-base::Value* RunFunctionAndReturnResult(UIThreadExtensionFunction* function,
-                                        const std::string& args,
-                                        Browser* browser) {
-  return RunFunctionAndReturnResult(function, args, browser, NONE);
+base::Value* RunFunctionAndReturnSingleResult(
+    UIThreadExtensionFunction* function,
+    const std::string& args,
+    Browser* browser) {
+  return RunFunctionAndReturnSingleResult(function, args, browser, NONE);
 }
-base::Value* RunFunctionAndReturnResult(UIThreadExtensionFunction* function,
-                                        const std::string& args,
-                                        Browser* browser,
-                                        RunFunctionFlags flags) {
+base::Value* RunFunctionAndReturnSingleResult(
+    UIThreadExtensionFunction* function,
+    const std::string& args,
+    Browser* browser,
+    RunFunctionFlags flags) {
   scoped_refptr<ExtensionFunction> function_owner(function);
   RunFunction(function, args, browser, flags);
   EXPECT_TRUE(function->GetError().empty()) << "Unexpected error: "
       << function->GetError();
-  return (function->GetResultValue() == NULL) ? NULL :
-      function->GetResultValue()->DeepCopy();
+  base::Value* single_result = NULL;
+  if (function->GetResultList() != NULL &&
+      function->GetResultList()->Get(0, &single_result)) {
+    return single_result->DeepCopy();
+  }
+  return NULL;
 }
 
 // This helps us be able to wait until an AsyncExtensionFunction calls