Remove unused includes from extensions identity API code

Bug: 399628344
Change-Id: I7cdb18db3d99217ba4ba8de684102850392a7b47
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6309082
Auto-Submit: James Lee <ljjlee@google.com>
Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Mihai Sardarescu <msarda@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1426242}
diff --git a/chrome/browser/extensions/api/identity/identity_api.cc b/chrome/browser/extensions/api/identity/identity_api.cc
index 508e6b5..7d41186b 100644
--- a/chrome/browser/extensions/api/identity/identity_api.cc
+++ b/chrome/browser/extensions/api/identity/identity_api.cc
@@ -21,7 +21,6 @@
 #include "build/build_config.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/account_consistency_mode_manager.h"
 #include "chrome/browser/signin/chrome_signin_client_factory.h"
diff --git a/chrome/browser/extensions/api/identity/identity_api.h b/chrome/browser/extensions/api/identity/identity_api.h
index bd8c637..8ded6d3 100644
--- a/chrome/browser/extensions/api/identity/identity_api.h
+++ b/chrome/browser/extensions/api/identity/identity_api.h
@@ -25,7 +25,6 @@
 #include "chrome/browser/extensions/api/identity/identity_mint_queue.h"
 #include "chrome/browser/extensions/api/identity/identity_remove_cached_auth_token_function.h"
 #include "chrome/browser/extensions/api/identity/identity_token_cache.h"
-#include "chrome/browser/extensions/api/identity/web_auth_flow.h"
 #include "components/signin/public/base/signin_buildflags.h"
 #include "components/signin/public/identity_manager/identity_manager.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
diff --git a/chrome/browser/extensions/api/identity/identity_clear_all_cached_auth_tokens_function.cc b/chrome/browser/extensions/api/identity/identity_clear_all_cached_auth_tokens_function.cc
index 0ab43bb..2b71f76 100644
--- a/chrome/browser/extensions/api/identity/identity_clear_all_cached_auth_tokens_function.cc
+++ b/chrome/browser/extensions/api/identity/identity_clear_all_cached_auth_tokens_function.cc
@@ -6,7 +6,6 @@
 
 #include "chrome/browser/extensions/api/identity/identity_api.h"
 #include "chrome/browser/extensions/api/identity/identity_constants.h"
-#include "chrome/browser/extensions/api/identity/web_auth_flow.h"
 #include "chrome/browser/profiles/profile.h"
 
 namespace extensions {