[Android WebView] Update microdump generation for sandboxed renderers

components/crash/content/app/breakpad_linux.h

 // 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.
 
 // Public interface for enabling Breakpad on Linux systems.
 
 #ifndef COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_H_
 #define COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_H_
 
 #include <string>
 
 #include "build/build_config.h"
 
 namespace breakpad {
 
 // Turns on the crash reporter in any process.
 extern void InitCrashReporter(const std::string& process_type);
 
+#if defined(OS_ANDROID)
 // Enables the crash reporter in child processes.
-#if defined(OS_ANDROID)
 extern void InitNonBrowserCrashReporterForAndroid(
     const std::string& process_type);
 
+// Enables *micro*dump only. Can be called from any process.
+extern void InitMicrodumpCrashHandlerIfNecessary(
+    const std::string& process_type);
+
 extern void AddGpuFingerprintToMicrodumpCrashHandler(
     const std::string& gpu_fingerprint);
 #endif
 
 // Checks if crash reporting is enabled. Note that this is not the same as
 // being opted into metrics reporting (and crash reporting), which controls
 // whether InitCrashReporter() is called.
 bool IsCrashReporterEnabled();
 
 }  // namespace breakpad
 
 #endif  // COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_H_