Add a method to PolicyProviderAndroid to return the Chrome policy schema.

components/policy/core/common/policy_provider_android.cc

Index: components/policy/core/common/policy_provider_android.cc
diff --git a/components/policy/core/common/policy_provider_android.cc b/components/policy/core/common/policy_provider_android.cc
index d70fbe6904bdb6194646117cb348c6b181788495..e13a796b101b7e7a9a4ee1e06940339fd039fda6 100644
--- a/components/policy/core/common/policy_provider_android.cc
+++ b/components/policy/core/common/policy_provider_android.cc
@@ -19,6 +19,11 @@ PolicyProviderAndroid::PolicyProviderAndroid()
 
 PolicyProviderAndroid::~PolicyProviderAndroid() {}
 
+const Schema* PolicyProviderAndroid::GetChromeSchema() const {
+  PolicyNamespace ns(POLICY_DOMAIN_CHROME, std::string());
+  return schema_map()->GetSchema(ns);
+}
+
 // static
 void PolicyProviderAndroid::SetShouldWaitForPolicy(
     bool should_wait_for_policy) {