Deleted OS_WIN and all Windows specific files from base.

base/files/file_path_unittest.cc

Index: base/files/file_path_unittest.cc
diff --git a/base/files/file_path_unittest.cc b/base/files/file_path_unittest.cc
index bc0e8432e0e1466581a37208d8b8d29e343b458b..703a2ad160f81a14a3c162ecead6cc6c8367bace 100644
--- a/base/files/file_path_unittest.cc
+++ b/base/files/file_path_unittest.cc
@@ -86,9 +86,6 @@ TEST_F(FilePathTest, DirName) {
     { FPL("{:"),            FPL(".") },
     { FPL("\xB3:"),         FPL(".") },
     { FPL("\xC5:"),         FPL(".") },
-#if defined(OS_WIN)
-    { FPL("\x0143:"),       FPL(".") },
-#endif  // OS_WIN
 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
     { FPL("c:"),            FPL("c:") },
     { FPL("C:"),            FPL("C:") },
@@ -174,9 +171,6 @@ TEST_F(FilePathTest, BaseName) {
     { FPL("{:"),            FPL("{:") },
     { FPL("\xB3:"),         FPL("\xB3:") },
     { FPL("\xC5:"),         FPL("\xC5:") },
-#if defined(OS_WIN)
-    { FPL("\x0143:"),       FPL("\x0143:") },
-#endif  // OS_WIN
 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
     { FPL("c:"),            FPL("") },
     { FPL("C:"),            FPL("") },
@@ -313,11 +307,7 @@ TEST_F(FilePathTest, Append) {
 
     // TODO(erikkay): It would be nice to have a unicode test append value to
     // handle the case when AppendASCII is passed UTF8
-#if defined(OS_WIN)
-    std::string ascii = WideToUTF8(leaf);
-#elif defined(OS_POSIX)
     std::string ascii = leaf;
-#endif
     observed_str = root.AppendASCII(ascii);
     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_str.value()) <<
               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
@@ -990,7 +980,7 @@ TEST_F(FilePathTest, MatchesExtension) {
 #endif  // FILE_PATH_USES_DRIVE_LETTERS
     { { FPL("/bar/foo.txt.dll"),        FPL(".txt") },                false},
     { { FPL("/bar/foo.txt"),            FPL(".txt") },                true},
-#if defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_MACOSX)
     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
     { { FPL("foo.\u00E4\u00F6\u00FC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
     { { FPL("foo.\u00C4\u00D6\u00DC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
@@ -1037,7 +1027,7 @@ TEST_F(FilePathTest, CompareIgnoreCase) {
     { { FPL("\u00DF"),                       FPL("\u1E9E") },              -1},
     { { FPL("SS"),                           FPL("\u00DF") },              -1},
     { { FPL("SS"),                           FPL("\u1E9E") },              -1},
-#if defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_MACOSX)
     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
     { { FPL("\u00E4\u00F6\u00FC"),           FPL("\u00E4\u00F6\u00FC") },   0},
     { { FPL("\u00C4\u00D6\u00DC"),           FPL("\u00E4\u00F6\u00FC") },   0},