Cleanup: Rename Simulator::watched_stops to match style guide.

src/mips/simulator-mips.h

Index: src/mips/simulator-mips.h
diff --git a/src/mips/simulator-mips.h b/src/mips/simulator-mips.h
index 67f595302b720c0b61ab73088a2ed029a33689e7..ed6344342dca04d9e51a4cecca36e611672dfdf2 100644
--- a/src/mips/simulator-mips.h
+++ b/src/mips/simulator-mips.h
@@ -391,14 +391,14 @@ class Simulator {
   static const uint32_t kStopDisabledBit = 1 << 31;
 
   // A stop is enabled, meaning the simulator will stop when meeting the
-  // instruction, if bit 31 of watched_stops[code].count is unset.
-  // The value watched_stops[code].count & ~(1 << 31) indicates how many times
+  // instruction, if bit 31 of watched_stops_[code].count is unset.
+  // The value watched_stops_[code].count & ~(1 << 31) indicates how many times
   // the breakpoint was hit or gone through.
   struct StopCountAndDesc {
     uint32_t count;
     char* desc;
   };
-  StopCountAndDesc watched_stops[kMaxStopCode + 1];
+  StopCountAndDesc watched_stops_[kMaxStopCode + 1];
 };