Add WebView-specific whitelist for crash keys.

android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc

Index: android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc
diff --git a/android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc b/android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc
index 44c3b7cc8712b30377f5f9987edb08ba33059bbc..4b1a7f92e52e83b6e92fc5376a7a808031b692dd 100644
--- a/android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc
+++ b/android_webview/common/crash_reporter/aw_microdump_crash_reporter.cc
@@ -10,6 +10,7 @@
 #include "android_webview/common/crash_reporter/crash_keys.h"
 #include "base/android/build_info.h"
 #include "base/base_paths_android.h"
+#include "base/debug/crash_logging.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
@@ -36,6 +37,7 @@ class AwCrashReporterClient : public ::crash_reporter::CrashReporterClient {
 
   // crash_reporter::CrashReporterClient implementation.
   size_t RegisterCrashKeys() override;
+  std::vector<base::debug::CrashKey> GetWhiteListedCrashKeys() override;
 
   bool IsRunningUnattended() override { return false; }
   bool GetCollectStatsConsent() override {
@@ -86,6 +88,11 @@ size_t AwCrashReporterClient::RegisterCrashKeys() {
   return crash_keys::RegisterWebViewCrashKeys();
 }
 
+std::vector<base::debug::CrashKey>
+AwCrashReporterClient::GetWhiteListedCrashKeys() {
+  return crash_keys::GetWhiteListedWebViewCrashKeys();
+}
+
 base::LazyInstance<AwCrashReporterClient>::Leaky g_crash_reporter_client =
     LAZY_INSTANCE_INITIALIZER;
 
@@ -182,6 +189,7 @@ void EnableCrashReporter(const std::string& process_type, int crash_signal_fd) {
       process_type == breakpad::kBrowserProcessType;
   if (is_browser_process) {
     breakpad::InitCrashReporter("", sanitization_info);
+    base::debug::SetCrashKeyValue("AW_DEBUG_KEY", "AW_DEBUG_VALUE");
   } else {
     breakpad::InitNonBrowserCrashReporterForAndroid(process_type,
                                                     sanitization_info);