aw: Do not DumpWithoutCrashing if crash reporter is not enabled.

android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc

 // Copyright 2015 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 "android_webview/common/crash_reporter/aw_microdump_crash_reporter.h"
 
 #include "android_webview/common/aw_descriptors.h"
 #include "android_webview/common/aw_paths.h"
 #include "android_webview/common/aw_version_info_values.h"
 #include "android_webview/common/crash_reporter/crash_keys.h"
@@ skipping 188 matching lines @@
 bool GetCrashDumpLocation(base::FilePath* crash_dir) {
   return g_crash_reporter_client.Get().GetCrashDumpLocation(crash_dir);
 }
 
 void AddGpuFingerprintToMicrodumpCrashHandler(
     const std::string& gpu_fingerprint) {
   breakpad::AddGpuFingerprintToMicrodumpCrashHandler(gpu_fingerprint);
 }
 
 bool DumpWithoutCrashingToFd(int fd) {
+  ::crash_reporter::SetCrashReporterClient(g_crash_reporter_client.Pointer());
   return g_crash_reporter_client.Pointer()->DumpWithoutCrashingToFd(fd);
 }
 
 bool IsCrashReporterEnabled() {
   return breakpad::IsCrashReporterEnabled();
 }
 
 void SuppressDumpGeneration() {
   breakpad::SuppressDumpGeneration();
 }
 
 }  // namespace crash_reporter
 }  // namespace android_webview