Move platform abstraction to base library

tools/lexer-shell.cc

Index: tools/lexer-shell.cc
diff --git a/tools/lexer-shell.cc b/tools/lexer-shell.cc
index 6ef8b0b3e7e4777ea75a498fa57954056d9b89f6..276a47315fe9b93ae29f383ef6e23821439ea225 100644
--- a/tools/lexer-shell.cc
+++ b/tools/lexer-shell.cc
@@ -34,8 +34,8 @@
 #include "src/v8.h"
 
 #include "src/api.h"
+#include "src/base/platform/platform.h"
 #include "src/messages.h"
-#include "src/platform.h"
 #include "src/runtime.h"
 #include "src/scanner-character-streams.h"
 #include "src/scopeinfo.h"
@@ -52,7 +52,7 @@ class BaselineScanner {
   BaselineScanner(const char* fname,
                   Isolate* isolate,
                   Encoding encoding,
-                  ElapsedTimer* timer,
+                  v8::base::ElapsedTimer* timer,
                   int repeat)
       : stream_(NULL) {
     int length = 0;
@@ -127,13 +127,11 @@ struct TokenWithLocation {
 };
 
 
-TimeDelta RunBaselineScanner(const char* fname,
-                             Isolate* isolate,
-                             Encoding encoding,
-                             bool dump_tokens,
-                             std::vector<TokenWithLocation>* tokens,
-                             int repeat) {
-  ElapsedTimer timer;
+v8::base::TimeDelta RunBaselineScanner(const char* fname, Isolate* isolate,
+                                       Encoding encoding, bool dump_tokens,
+                                       std::vector<TokenWithLocation>* tokens,
+                                       int repeat) {
+  v8::base::ElapsedTimer timer;
   BaselineScanner scanner(fname, isolate, encoding, &timer, repeat);
   Token::Value token;
   int beg, end;
@@ -158,7 +156,7 @@ void PrintTokens(const char* name,
 }
 
 
-TimeDelta ProcessFile(
+v8::base::TimeDelta ProcessFile(
     const char* fname,
     Encoding encoding,
     Isolate* isolate,
@@ -169,7 +167,7 @@ TimeDelta ProcessFile(
   }
   HandleScope handle_scope(isolate);
   std::vector<TokenWithLocation> baseline_tokens;
-  TimeDelta baseline_time;
+  v8::base::TimeDelta baseline_time;
   baseline_time = RunBaselineScanner(
       fname, isolate, encoding, print_tokens,
       &baseline_tokens, repeat);
@@ -217,7 +215,7 @@ int main(int argc, char* argv[]) {
       v8::Context::Scope scope(context);
       double baseline_total = 0;
       for (size_t i = 0; i < fnames.size(); i++) {
-        TimeDelta time;
+        v8::base::TimeDelta time;
         time = ProcessFile(fnames[i].c_str(), encoding,
                            reinterpret_cast<Isolate*>(isolate), print_tokens,
                            repeat);