Remove dependency on Vector from platform files

test/cctest/test-log-stack-tracer.cc

 // Copyright 2011 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 101 matching lines @@
 }
 
 
 // Creates a global function named 'func_name' that calls the tracing
 // function 'trace_func_name' with an actual EBP register value,
 // encoded as one or two Smis.
 static void CreateTraceCallerFunction(v8::Local<v8::Context> context,
                                       const char* func_name,
                                       const char* trace_func_name) {
   i::EmbeddedVector<char, 256> trace_call_buf;
-  i::OS::SNPrintF(trace_call_buf,
-                  "function %s() {"
-                  "  fp = new FPGrabber();"
-                  "  %s(fp.low_bits, fp.high_bits);"
-                  "}",
-                  func_name, trace_func_name);
+  i::SNPrintF(trace_call_buf,
+              "function %s() {"
+              "  fp = new FPGrabber();"
+              "  %s(fp.low_bits, fp.high_bits);"
+              "}",
+              func_name, trace_func_name);
 
   // Create the FPGrabber function, which grabs the caller's frame pointer
   // when called as a constructor.
   CreateFramePointerGrabberConstructor(context, "FPGrabber");
 
   // Compile the script.
   CompileRun(trace_call_buf.start());
 }
 
 
@@ skipping 139 matching lines @@
   v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION);
   v8::Context::Scope context_scope(context);
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("a = 1; b = a + 1;");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp();");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp_level2();");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
 }