Remove dependency on Vector from platform files

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 8135738b9eebab8a23e526bdfe030ac2d6405d84..e8af5d0ff4aa02d7667c3e27b2bb4846f61f5517 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -122,7 +122,7 @@ class CodeEventLogger::NameBuffer {
   void AppendInt(int n) {
     Vector<char> buffer(utf8_buffer_ + utf8_pos_,
                         kUtf8BufferSize - utf8_pos_);
-    int size = OS::SNPrintF(buffer, "%d", n);
+    int size = SNPrintF(buffer, "%d", n);
     if (size > 0 && utf8_pos_ + size <= kUtf8BufferSize) {
       utf8_pos_ += size;
     }
@@ -131,7 +131,7 @@ class CodeEventLogger::NameBuffer {
   void AppendHex(uint32_t n) {
     Vector<char> buffer(utf8_buffer_ + utf8_pos_,
                         kUtf8BufferSize - utf8_pos_);
-    int size = OS::SNPrintF(buffer, "%x", n);
+    int size = SNPrintF(buffer, "%x", n);
     if (size > 0 && utf8_pos_ + size <= kUtf8BufferSize) {
       utf8_pos_ += size;
     }
@@ -259,7 +259,7 @@ PerfBasicLogger::PerfBasicLogger()
   // Open the perf JIT dump file.
   int bufferSize = sizeof(kFilenameFormatString) + kFilenameBufferPadding;
   ScopedVector<char> perf_dump_name(bufferSize);
-  int size = OS::SNPrintF(
+  int size = SNPrintF(
       perf_dump_name,
       kFilenameFormatString,
       OS::GetCurrentProcessId());
@@ -383,7 +383,7 @@ PerfJitLogger::PerfJitLogger()
   // Open the perf JIT dump file.
   int bufferSize = sizeof(kFilenameFormatString) + kFilenameBufferPadding;
   ScopedVector<char> perf_dump_name(bufferSize);
-  int size = OS::SNPrintF(
+  int size = SNPrintF(
       perf_dump_name,
       kFilenameFormatString,
       OS::GetCurrentProcessId());