Switch chrome_elf exception handling from breakpad to crashpad.

chrome/app/chrome_crash_reporter_client_win.h

Index: chrome/app/chrome_crash_reporter_client_win.h
diff --git a/chrome/app/chrome_crash_reporter_client_win.h b/chrome/app/chrome_crash_reporter_client_win.h
index 29109aa3537025860b26ae183ee21fab489dbd78..7f33f52b552cfa04a02f9509a54049852f115272 100644
--- a/chrome/app/chrome_crash_reporter_client_win.h
+++ b/chrome/app/chrome_crash_reporter_client_win.h
@@ -20,6 +20,11 @@ class ChromeCrashReporterClient : public crash_reporter::CrashReporterClient {
   ChromeCrashReporterClient();
   ~ChromeCrashReporterClient() override;
 
+  // Registers crash keys for debugging purposes. Called from chrome_elf.
+  // TODO(ananta)
+  // Remove this when the change to not require crash key registration lands.
+  static void RegisterCrashKeysForDebugging();
+
   // crash_reporter::CrashReporterClient implementation.
   bool GetAlternativeCrashDumpLocation(base::string16* crash_dir) override;
   void GetProductNameAndVersion(const base::string16& exe_path,