Change refs from ChromeSigninClient to base SigninClient class.

components/signin/core/browser/test_signin_client.cc

Index: components/signin/core/browser/test_signin_client.cc
diff --git a/components/signin/core/browser/test_signin_client.cc b/components/signin/core/browser/test_signin_client.cc
index e197354138296c3d65d786b483a033536afd3728..7b1d6a4e339e2f043d932ffbc73ae55cb67cd0ba 100644
--- a/components/signin/core/browser/test_signin_client.cc
+++ b/components/signin/core/browser/test_signin_client.cc
@@ -13,6 +13,12 @@
 #include "ios/public/test/fake_profile_oauth2_token_service_ios_provider.h"
 #endif
 
+namespace {
+
+// Helper for testing.
+const int kInvalidProcessId = -1;
+}
+
 TestSigninClient::TestSigninClient()
     : request_context_(new net::TestURLRequestContextGetter(
           base::MessageLoopProxy::current())) {
@@ -71,3 +77,23 @@ TestSigninClient::GetIOSProviderAsFake() {
   return iosProvider_.get();
 }
 #endif
+
+void TestSigninClient::SetSigninProcess(int process_id) {
+  if (process_id == signin_host_id_)
+    return;
+  DLOG_IF(WARNING, signin_host_id_ != kInvalidProcessId)
+      << "Replacing in-use signin process.";
+  signin_host_id_ = process_id;
+}
+
+void TestSigninClient::ClearSigninProcess() {
+  signin_host_id_ = kInvalidProcessId;
+}
+
+bool TestSigninClient::IsSigninProcess(int process_id) const {
+  return process_id == signin_host_id_;
+}
+
+bool TestSigninClient::HasSigninProcess() const {
+  return signin_host_id_ != kInvalidProcessId;
+}