Record the return value of NativeLibraryPreloader.loadLibrary in UMA

base/android/library_loader/library_loader_hooks.h

 // Copyright 2014 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.
 
 #ifndef BASE_ANDROID_LIBRARY_LOADER_LIBRARY_LOADER_HOOKS_H_
 #define BASE_ANDROID_LIBRARY_LOADER_LIBRARY_LOADER_HOOKS_H_
 
 #include <jni.h>
 
 #include "base/base_export.h"
@@ skipping 10 matching lines @@
   PROCESS_BROWSER = 1,
   // Shared library is running in child process.
   PROCESS_CHILD = 2,
   // Shared library is running in the app that uses webview.
   PROCESS_WEBVIEW = 3,
   // Shared library is running in child process as part of webview.
   PROCESS_WEBVIEW_CHILD = 4,
 };
 
 // Record any pending renderer histogram value as a histogram.  Pending values
-// are set by RegisterChromiumAndroidLinkerRendererHistogram.
-BASE_EXPORT void RecordChromiumAndroidLinkerRendererHistogram();
+// are set by RegisterChromiumAndroidLinkerRendererHistogram and
+// RegisterLibraryPreloaderRendererHistogram.
+BASE_EXPORT void RecordChromiumAndroidLibraryLoaderRendererHistogram();
 
 // Registers the callbacks that allows the entry point of the library to be
 // exposed to the calling java code.  This handles only registering the
 // the callbacks needed by the loader. Any application specific JNI bindings
 // should happen once the native library has fully loaded, either in the library
 // loaded hook function or later.
 BASE_EXPORT bool RegisterLibraryLoaderEntryHook(JNIEnv* env);
 
 // Typedef for hook function to be called (indirectly from Java) once the
 // libraries are loaded. The hook function should register the JNI bindings
@@ skipping 24 matching lines @@
 BASE_EXPORT LibraryProcessType GetLibraryProcessType(JNIEnv* env);
 
 // Initialize AtExitManager, this must be done at the begining of loading
 // shared library.
 void InitAtExitManager();
 
 }  // namespace android
 }  // namespace base
 
 #endif  // BASE_ANDROID_LIBRARY_LOADER_LIBRARY_LOADER_HOOKS_H_