Allow redirecting disassembly and deoptimization traces into a file.

src/safepoint-table.h

Index: src/safepoint-table.h
diff --git a/src/safepoint-table.h b/src/safepoint-table.h
index fc8bf7a411a8831193a5a155fc79d52d6c11e451..ea35253ff8458f0b7e8040f2cecf50bf5ad6b84d 100644
--- a/src/safepoint-table.h
+++ b/src/safepoint-table.h
@@ -126,7 +126,7 @@ class SafepointTable BASE_EMBEDDED {
   // Returns the entry for the given pc.
   SafepointEntry FindEntry(Address pc) const;
 
-  void PrintEntry(unsigned index) const;
+  void PrintEntry(unsigned index, FILE* out = stdout) const;
 
  private:
   static const uint8_t kNoRegisters = 0xFF;
@@ -149,7 +149,7 @@ class SafepointTable BASE_EMBEDDED {
     return GetPcOffsetLocation(index) + kPcSize;
   }
 
-  static void PrintBits(uint8_t byte, int digits);
+  static void PrintBits(FILE* out, uint8_t byte, int digits);
 
   DisallowHeapAllocation no_allocation_;
   Code* code_;