Don't initialize C++ constants in Java during JNI registration.

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
@@ skipping 91 matching lines @@
       env, data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 }
 
 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyUnreachable(
     JNIEnv* env, jobject obj) {
   return Settings()->IsDataReductionProxyUnreachable();
 }
 
 // static
 bool DataReductionProxySettingsAndroid::Register(JNIEnv* env) {
-  bool register_natives_impl_result = RegisterNativesImpl(env);
-  return register_natives_impl_result;
+  return RegisterNativesImpl(env);
 }
 
 ScopedJavaLocalRef<jlongArray>
 DataReductionProxySettingsAndroid::GetDailyContentLengths(
     JNIEnv* env,  const char* pref_name) {
   jlongArray result = env->NewLongArray(
       data_reduction_proxy::kNumDaysInHistory);
 
   DataReductionProxySettings::ContentLengthList lengths  =
       Settings()->GetDailyContentLengths(pref_name);
@@ skipping 13 matching lines @@
           ProfileManager::GetActiveUserProfile());
   DCHECK(settings);
   return settings;
 }
 
 
 // Used by generated jni code.
 static jlong Init(JNIEnv* env, jobject obj) {
   return reinterpret_cast<intptr_t>(new DataReductionProxySettingsAndroid());
 }