Use extensions::ResultCatcher; delete ExtensionApiTest::ResultCatcher.

extensions/browser/api/serial/serial_apitest.cc

Index: extensions/browser/api/serial/serial_apitest.cc
diff --git a/extensions/browser/api/serial/serial_apitest.cc b/extensions/browser/api/serial/serial_apitest.cc
index 22089c9cfbd1a958c975f783fa74ae41484e0fb0..db7617a0563d4cb86c3f8ea2c6f83293a9182551 100644
--- a/extensions/browser/api/serial/serial_apitest.cc
+++ b/extensions/browser/api/serial/serial_apitest.cc
@@ -10,6 +10,7 @@
 #include "extensions/browser/api/serial/serial_connection.h"
 #include "extensions/browser/extension_function.h"
 #include "extensions/common/api/serial.h"
+#include "extensions/test/result_catcher.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using testing::_;
@@ -114,8 +115,8 @@ ExtensionFunction* FakeSerialConnectFunctionFactory() {
 //
 #define SIMULATE_SERIAL_PORTS (1)
 IN_PROC_BROWSER_TEST_F(SerialApiTest, SerialFakeHardware) {
-  ResultCatcher catcher;
-  catcher.RestrictToProfile(browser()->profile());
+  extensions::ResultCatcher catcher;
+  catcher.RestrictToBrowserContext(browser()->profile());
 
 #if SIMULATE_SERIAL_PORTS
   ASSERT_TRUE(extensions::ExtensionFunctionDispatcher::OverrideFunction(
@@ -128,8 +129,8 @@ IN_PROC_BROWSER_TEST_F(SerialApiTest, SerialFakeHardware) {
 }
 
 IN_PROC_BROWSER_TEST_F(SerialApiTest, SerialRealHardware) {
-  ResultCatcher catcher;
-  catcher.RestrictToProfile(browser()->profile());
+  extensions::ResultCatcher catcher;
+  catcher.RestrictToBrowserContext(browser()->profile());
 
   ASSERT_TRUE(RunExtensionTest("serial/real_hardware")) << message_;
 }