base: Move SplitStringDontTrim functions from string_util.h to string_split.h

base/string_util_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <math.h>
 #include <stdarg.h>
 
 #include <limits>
 #include <sstream>
 
@@ skipping 744 matching lines @@
   r.clear();
 
   SplitString(L"\t\ta\t", L'\t', &r);
   ASSERT_EQ(4U, r.size());
   EXPECT_EQ(r[0], L"");
   EXPECT_EQ(r[1], L"");
   EXPECT_EQ(r[2], L"a");
   EXPECT_EQ(r[3], L"");
   r.clear();
 
-  SplitStringDontTrim(L"\t\ta\t", L'\t', &r);
-  ASSERT_EQ(4U, r.size());
-  EXPECT_EQ(r[0], L"");
-  EXPECT_EQ(r[1], L"");
-  EXPECT_EQ(r[2], L"a");
-  EXPECT_EQ(r[3], L"");
-  r.clear();
-
   SplitString(L"\ta\t\nb\tcc", L'\n', &r);
   ASSERT_EQ(2U, r.size());
   EXPECT_EQ(r[0], L"a");
   EXPECT_EQ(r[1], L"b\tcc");
   r.clear();
-
-  SplitStringDontTrim(L"\ta\t\nb\tcc", L'\n', &r);
-  ASSERT_EQ(2U, r.size());
-  EXPECT_EQ(r[0], L"\ta\t");
-  EXPECT_EQ(r[1], L"b\tcc");
-  r.clear();
 }
 
 // Test for Tokenize
 template <typename STR>
 void TokenizeTest() {
   std::vector<STR> r;
   size_t size;
 
   size = Tokenize(STR("This is a string"), STR(" "), &r);
   EXPECT_EQ(4U, size);
@@ skipping 444 matching lines @@
   EXPECT_FALSE(ContainsOnlyChars("Hello", ""));
 
   EXPECT_TRUE(ContainsOnlyChars("", "1234"));
   EXPECT_TRUE(ContainsOnlyChars("1", "1234"));
   EXPECT_TRUE(ContainsOnlyChars("1", "4321"));
   EXPECT_TRUE(ContainsOnlyChars("123", "4321"));
   EXPECT_FALSE(ContainsOnlyChars("123a", "4321"));
 }
 
 }  // namespace base