android: Report child exception by crashing

components/crash/content/app/breakpad_linux.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.
 
 // For linux_syscall_support.h. This makes it safe to call embedded system
 // calls when in seccomp mode.
 
 #include "components/crash/content/app/breakpad_linux.h"
 
 #include <fcntl.h>
@@ skipping 1938 matching lines @@
     // On Android we need to provide a FD to the file where the minidump is
     // generated as the renderer and browser run with different UIDs
     // (preventing the browser from inspecting the renderer process).
     int minidump_fd = base::GlobalDescriptors::GetInstance()->MaybeGet(
         GetCrashReporterClient()->GetAndroidMinidumpDescriptor());
     if (minidump_fd < 0) {
       NOTREACHED() << "Could not find minidump FD, crash reporting disabled.";
     } else {
       InitCrashKeys();
       EnableNonBrowserCrashDumping(process_type, minidump_fd);
+      // Note: not installing DumpWithoutCrash handler here because browser
+      // is not set up to receive multiple reports from child process.
     }
   }
 }
 
 // The microdump handler does NOT upload anything. It just dumps out on the
 // system console (logcat) a restricted and serialized variant of a minidump.
 // See crbug.com/410294 for more details.
 void InitMicrodumpCrashHandlerIfNecessary(const std::string& process_type) {
   if (!GetCrashReporterClient()->ShouldEnableBreakpadMicrodumps())
     return;
@@ skipping 34 matching lines @@
 void SuppressDumpGeneration() {
   g_dumps_suppressed = G_DUMPS_SUPPRESSED_MAGIC;
 }
 #endif  // OS_ANDROID
 
 bool IsCrashReporterEnabled() {
   return g_is_crash_reporter_enabled;
 }
 
 }  // namespace breakpad