Add a Kill switch for WebVR cardboard support through finch.

components/variations/android/variations_associated_data_android.cc

Index: components/variations/android/variations_associated_data_android.cc
diff --git a/components/variations/android/variations_associated_data_android.cc b/components/variations/android/variations_associated_data_android.cc
index 1dd8096978135ee2e98de025f274ec16809dce1c..eac4ee58dd486bbaeb856d1f25c8588b4945b59f 100644
--- a/components/variations/android/variations_associated_data_android.cc
+++ b/components/variations/android/variations_associated_data_android.cc
@@ -20,6 +20,25 @@ namespace variations {
 
 namespace android {
 
+jint GetVariationParamByFeatureAsInt(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const jlong jfeature,
+    const JavaParamRef<jstring>& jparam_name,
+    const jint jdefault_value) {
+
+  base::Feature * feature = reinterpret_cast<base::Feature*>(jfeature);
+  if (feature == nullptr) {
+    return jdefault_value;
+  }
+
+  std::string param_name(ConvertJavaStringToUTF8(env, jparam_name));
+  int default_value = static_cast<int>(jdefault_value);
+

[rkaplow, 2017/01/31 18:17:44]

this recently got deprecated to the base:: version, you could switch if you
want:
https://codesearch.chromium.org/chromium/src/components/variations/variations...

[amp, 2017/01/31 18:41:43]

Acknowledged.

I'll update to the non-deprecated call, but per tedchoc@ comment I'll use it
from the feature_list file instead of changing anything in the variations
component (unless you have a concern about that).

+  return variations::GetVariationParamByFeatureAsInt(
+      *feature, param_name, default_value);
+}
+
 ScopedJavaLocalRef<jstring> GetVariationParamValue(
     JNIEnv* env,
     const JavaParamRef<jclass>& clazz,