Remove dependency on Vector from platform files

src/platform.h

Index: src/platform.h
diff --git a/src/platform.h b/src/platform.h
index fbf64886a8a13c389fd57cdfc3f281ea1642316b..b18ea60a5d3cdcab7219cb62421ee908c4aa155e 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -28,7 +28,6 @@
 #include "src/base/build_config.h"
 #include "src/platform/mutex.h"
 #include "src/platform/semaphore.h"
-#include "src/vector.h"
 
 #ifdef __sun
 # ifndef signbit
@@ -247,13 +246,14 @@ class OS {
 
   // Safe formatting print. Ensures that str is always null-terminated.
   // Returns the number of chars written, or -1 if output was truncated.
-  static int SNPrintF(Vector<char> str, const char* format, ...);
-  static int VSNPrintF(Vector<char> str,
+  static int SNPrintF(char* str, int length, const char* format, ...);
+  static int VSNPrintF(char* str,
+                       int length,
                        const char* format,
                        va_list args);
 
   static char* StrChr(char* str, int c);
-  static void StrNCpy(Vector<char> dest, const char* src, size_t n);
+  static void StrNCpy(char* dest, int length, const char* src, size_t n);
 
   // Support for the profiler.  Can do nothing, in which case ticks
   // occuring in shared libraries will not be properly accounted for.
@@ -408,13 +408,7 @@ class VirtualMemory {
 class Thread {
  public:
   // Opaque data type for thread-local storage keys.
-  // LOCAL_STORAGE_KEY_MIN_VALUE and LOCAL_STORAGE_KEY_MAX_VALUE are specified
-  // to ensure that enumeration type has correct value range (see Issue 830 for
-  // more details).
-  enum LocalStorageKey {
-    LOCAL_STORAGE_KEY_MIN_VALUE = kMinInt,
-    LOCAL_STORAGE_KEY_MAX_VALUE = kMaxInt
-  };
+  typedef int32_t LocalStorageKey;
 
   class Options {
    public: