Makes it so we don't start watchdog when running under debugger

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index bfff171e89ab09c40a72da829ad6550643abebd8..98b64f3ad0a474c02a16f84b7bc1339425b5a31c 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -1083,9 +1083,11 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   StartMetricsRecording();
 #endif
 
-  // Create watchdog thread after creating all other threads because it will
-  // watch the other threads and they must be running.
-  browser_process_->watchdog_thread();
+  if (!base::debug::BeingDebugged()) {
+    // Create watchdog thread after creating all other threads because it will
+    // watch the other threads and they must be running.
+    browser_process_->watchdog_thread();
+  }
 
   // Do any initializating in the browser process that requires all threads
   // running.