Move platform abstraction to base library

test/cctest/test-assembler-ia32.cc

Index: test/cctest/test-assembler-ia32.cc
diff --git a/test/cctest/test-assembler-ia32.cc b/test/cctest/test-assembler-ia32.cc
index fcbb14b15377b6825b2b72cae5d2f831ef4c5512..8a09a8aff10810152bbfd57315cd30a8bd2feadc 100644
--- a/test/cctest/test-assembler-ia32.cc
+++ b/test/cctest/test-assembler-ia32.cc
@@ -29,10 +29,10 @@
 
 #include "src/v8.h"
 
+#include "src/base/platform/platform.h"
 #include "src/disassembler.h"
 #include "src/factory.h"
 #include "src/macro-assembler.h"
-#include "src/platform.h"
 #include "src/serialize.h"
 #include "test/cctest/cctest.h"
 
@@ -354,7 +354,7 @@ TEST(AssemblerIa329) {
   CHECK_EQ(kLess, f(1.1, 2.2));
   CHECK_EQ(kEqual, f(2.2, 2.2));
   CHECK_EQ(kGreater, f(3.3, 2.2));
-  CHECK_EQ(kNaN, f(OS::nan_value(), 1.1));
+  CHECK_EQ(kNaN, f(v8::base::OS::nan_value(), 1.1));
 }
 
 
@@ -486,7 +486,7 @@ void DoSSE2(const v8::FunctionCallbackInfo<v8::Value>& args) {
 
 TEST(StackAlignmentForSSE2) {
   CcTest::InitializeVM();
-  CHECK_EQ(0, OS::ActivationFrameAlignment() % 16);
+  CHECK_EQ(0, v8::base::OS::ActivationFrameAlignment() % 16);
 
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope handle_scope(isolate);