Remove GetExtensionService from Profile.

chrome/browser/extensions/process_management_browsertest.cc

Index: chrome/browser/extensions/process_management_browsertest.cc
diff --git a/chrome/browser/extensions/process_management_browsertest.cc b/chrome/browser/extensions/process_management_browsertest.cc
index a5f5a252ded15d01b0482a849da06a1c49780d76..eb663337e4c9c0e67ae31b1dfdd36f74a4a3c4c0 100644
--- a/chrome/browser/extensions/process_management_browsertest.cc
+++ b/chrome/browser/extensions/process_management_browsertest.cc
@@ -229,6 +229,9 @@ IN_PROC_BROWSER_TEST_F(ProcessManagementTest, ExtensionProcessBalancing) {
   // We've loaded 5 extensions with background pages, 1 extension without
   // background page, and one isolated app. We expect only 2 unique processes
   // hosting those extensions.
-  EXPECT_GE((size_t) 6, profile->GetExtensionService()->process_map()->size());
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
+
+  EXPECT_GE((size_t) 6, service->process_map()->size());
   EXPECT_EQ((size_t) 2, process_ids.size());
 }