Fixed numerous issues that were causing errors in profiler log processing

src/platform.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 133 matching lines @@
 
   // Returns the local time offset in milliseconds east of UTC without
   // taking daylight savings time into account.
   static double LocalTimeOffset();
 
   // Returns the daylight savings offset for the given time.
   static double DaylightSavingsOffset(double time);
 
   static FILE* FOpen(const char* path, const char* mode);
 
+  // Log file open mode is platform-dependent due to line ends issues.
+  static const char* LogFileOpenMode;
+
   // Print output to console. This is mostly used for debugging output.
   // On platforms that has standard terminal output, the output
   // should go to stdout.
   static void Print(const char* format, ...);
   static void VPrint(const char* format, va_list args);
 
   // Print error output to console. This is mostly used for error message
   // output. On platforms that has standard terminal output, the output
   // should go to stderr.
   static void PrintError(const char* format, ...);
@@ skipping 313 matching lines @@
 // the thread that created it.
 
 // TickSample captures the information collected for each sample.
 class TickSample {
  public:
   TickSample() : pc(0), sp(0), fp(0), state(OTHER) {}
   unsigned int pc;  // Instruction pointer.
   unsigned int sp;  // Stack pointer.
   unsigned int fp;  // Frame pointer.
   StateTag state;   // The state of the VM.
-  static const int kMaxFramesCount = 5;
+  static const int kMaxFramesCount = 100;
   EmbeddedVector<Address, kMaxFramesCount> stack;  // Call stack.
   int frames_count;  // Number of captured frames.
 };
 
 class Sampler {
  public:
   // Initialize sampler.
   explicit Sampler(int interval, bool profiling);
   virtual ~Sampler();
 
@@ skipping 18 matching lines @@
   bool active_;
   PlatformData* data_;  // Platform specific data.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_