[Android WebView] Update microdump generation for sandboxed renderers

components/crash/content/app/breakpad_linux.h

Index: components/crash/content/app/breakpad_linux.h
diff --git a/components/crash/content/app/breakpad_linux.h b/components/crash/content/app/breakpad_linux.h
index 1d849eb3222e7a2525c5471d6f7ca83c4dfb4199..8f73127c80f6ce70b384a3f37ae8ff9162464131 100644
--- a/components/crash/content/app/breakpad_linux.h
+++ b/components/crash/content/app/breakpad_linux.h
@@ -16,11 +16,15 @@ namespace breakpad {
 // Turns on the crash reporter in any process.
 extern void InitCrashReporter(const std::string& process_type);
 
-// Enables the crash reporter in child processes.
 #if defined(OS_ANDROID)
+// Enables the crash reporter in child processes.
 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