Push API: Fix unsubscribing from GCM on Android

chrome/browser/extensions/api/gcm/gcm_api.cc

Index: chrome/browser/extensions/api/gcm/gcm_api.cc
diff --git a/chrome/browser/extensions/api/gcm/gcm_api.cc b/chrome/browser/extensions/api/gcm/gcm_api.cc
index 75d7d18867aac2004a1dcc67f3e11e3f2eeaf617..a3f07de3e23ef93f402ff54051c1a63a20557d75 100644
--- a/chrome/browser/extensions/api/gcm/gcm_api.cc
+++ b/chrome/browser/extensions/api/gcm/gcm_api.cc
@@ -135,11 +135,17 @@ GcmUnregisterFunction::~GcmUnregisterFunction() {}
 bool GcmUnregisterFunction::DoWork() {
   UMA_HISTOGRAM_BOOLEAN("GCM.APICallUnregister", true);
 
+#if defined(OS_ANDROID)
+  LOG(FATAL) << "GcmUnregisterFunction is not implemented on Android";
+#else
+  std::vector<std::string> sender_ids;  // These are ignored on desktop.
   GetGCMDriver()->Unregister(
       extension()->id(),
+      sender_ids,
       base::Bind(&GcmUnregisterFunction::CompleteFunctionWithResult, this));
 
   return true;
+#endif
 }
 
 void GcmUnregisterFunction::CompleteFunctionWithResult(