Add flag to communicate last casted app to renderer process

chromecast/crash/android/cast_crash_reporter_client_android.h

Index: chromecast/crash/android/cast_crash_reporter_client_android.h
diff --git a/chromecast/crash/android/cast_crash_reporter_client_android.h b/chromecast/crash/android/cast_crash_reporter_client_android.h
index e98eef72605b0ac161193879382c74063da9c009..1b45fe7adc8b064eee242a006fe0795dd5c48a2e 100644
--- a/chromecast/crash/android/cast_crash_reporter_client_android.h
+++ b/chromecast/crash/android/cast_crash_reporter_client_android.h
@@ -27,6 +27,11 @@ class CastCrashReporterClientAndroid
       const std::string& process_type) override;
   size_t RegisterCrashKeys() override;
 
+  // Used as hook to register meta data when we receive crash.
+  // Does not actually handle crash file, and returns false with expectation
+  // default breakpad code will do aditional processing.
+  bool HandleCrashDump(const char* crashdump_filename) override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CastCrashReporterClientAndroid);
 };