Integrate fallback crash handling in chrome

chrome/app/chrome_crash_reporter_client_win.cc

Index: chrome/app/chrome_crash_reporter_client_win.cc
diff --git a/chrome/app/chrome_crash_reporter_client_win.cc b/chrome/app/chrome_crash_reporter_client_win.cc
index b13781d981b37f35d6522d1b62b6b47c1cc19350..ca4f18bccf7acb1995af95f4e3e34a67deb4ffc8 100644
--- a/chrome/app/chrome_crash_reporter_client_win.cc
+++ b/chrome/app/chrome_crash_reporter_client_win.cc
@@ -254,7 +254,10 @@ void ChromeCrashReporterClient::InitializeCrashReportingForProcess() {
 
   std::wstring process_type = install_static::GetSwitchValueFromCommandLine(
       ::GetCommandLine(), install_static::kProcessType);
-  if (process_type != install_static::kCrashpadHandler) {
+  // Don't set up Crashpad crash reporting in the Crashpad handler itself, nor
+  // in the fallback crash handler for the Crashpad handler process.
+  if (process_type != install_static::kCrashpadHandler &&
+      process_type != install_static::kFallbackHandler) {
     crash_reporter::SetCrashReporterClient(instance);
     crash_reporter::InitializeCrashpadWithEmbeddedHandler(
         process_type.empty(), install_static::UTF16ToUTF8(process_type));