Deleted OS_WIN and all Windows specific files from base.

base/cpu_unittest.cc

Index: base/cpu_unittest.cc
diff --git a/base/cpu_unittest.cc b/base/cpu_unittest.cc
index 18bf959a55edaac568e4feebd8bf018321657034..d3d52f2c02c2e1ffc793e3026c745df46367224a 100644
--- a/base/cpu_unittest.cc
+++ b/base/cpu_unittest.cc
@@ -17,43 +17,7 @@ TEST(CPU, RunExtendedInstructions) {
   // Retrieve the CPU information.
   base::CPU cpu;
 
-// TODO(jschuh): crbug.com/168866 Find a way to enable this on Win64.
-#if defined(OS_WIN) && !defined(_M_X64)
-  ASSERT_TRUE(cpu.has_mmx());
-
-  // Execute an MMX instruction.
-  __asm emms;
-
-  if (cpu.has_sse()) {
-    // Execute an SSE instruction.
-    __asm xorps xmm0, xmm0;
-  }
-
-  if (cpu.has_sse2()) {
-    // Execute an SSE 2 instruction.
-    __asm psrldq xmm0, 0;
-  }
-
-  if (cpu.has_sse3()) {
-    // Execute an SSE 3 instruction.
-    __asm addsubpd xmm0, xmm0;
-  }
-
-  if (cpu.has_ssse3()) {
-    // Execute a Supplimental SSE 3 instruction.
-    __asm psignb xmm0, xmm0;
-  }
-
-  if (cpu.has_sse41()) {
-    // Execute an SSE 4.1 instruction.
-    __asm pmuldq xmm0, xmm0;
-  }
-
-  if (cpu.has_sse42()) {
-    // Execute an SSE 4.2 instruction.
-    __asm crc32 eax, eax;
-  }
-#elif defined(OS_POSIX) && defined(__x86_64__)
+#if defined(OS_POSIX) && defined(__x86_64__)
   ASSERT_TRUE(cpu.has_mmx());
 
   // Execute an MMX instruction.