Move ElideString() from base/string_util.cc to app/text_elider.cc to

reduce size of widely-included base libraries. 

Committing for tsepez.

BUG=49747
TEST=TextEliderTest.* 

Review URL: http://codereview.chromium.org/6017001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69555 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 0 insertions, 72 deletions

diff --git a/base/string_util.cc b/base/string_util.cc
index fc1372b..ce12705 100644
--- a/base/string_util.cc
+++ b/base/string_util.cc
@@ -1094,40 +1094,3 @@ size_t base::strlcpy(char* dst, const char* src, size_t dst_size) {
 size_t base::wcslcpy(wchar_t* dst, const wchar_t* src, size_t dst_size) {
   return lcpyT<wchar_t>(dst, src, dst_size);
 }
-
-bool ElideString(const std::wstring& input, int max_len, std::wstring* output) {
-  DCHECK(max_len >= 0);
-  if (static_cast<int>(input.length()) <= max_len) {
-    output->assign(input);
-    return false;
-  }
-
-  switch (max_len) {
-    case 0:
-      output->clear();
-      break;
-    case 1:
-      output->assign(input.substr(0, 1));
-      break;
-    case 2:
-      output->assign(input.substr(0, 2));
-      break;
-    case 3:
-      output->assign(input.substr(0, 1) + L"." +
-                     input.substr(input.length() - 1));
-      break;
-    case 4:
-      output->assign(input.substr(0, 1) + L".." +
-                     input.substr(input.length() - 1));
-      break;
-    default: {
-      int rstr_len = (max_len - 3) / 2;
-      int lstr_len = rstr_len + ((max_len - 3) % 2);
-      output->assign(input.substr(0, lstr_len) + L"..." +
-                     input.substr(input.length() - rstr_len));
-      break;
-    }
-  }
-
-  return true;
-}
diff --git a/base/string_util.h b/base/string_util.h
index 498ccc5..f65652c 100644
--- a/base/string_util.h
+++ b/base/string_util.h
@@ -523,14 +523,6 @@ string16 ReplaceStringPlaceholders(const string16& format_string,
                                    const string16& a,
                                    size_t* offset);
 
-// If the size of |input| is more than |max_len|, this function returns true and
-// |input| is shortened into |output| by removing chars in the middle (they are
-// replaced with up to 3 dots, as size permits).
-// Ex: ElideString(L"Hello", 10, &str) puts Hello in str and returns false.
-// ElideString(L"Hello my name is Tom", 10, &str) puts "Hell...Tom" in str and
-// returns true.
-bool ElideString(const std::wstring& input, int max_len, std::wstring* output);
-
 // Returns true if the string passed in matches the pattern. The pattern
 // string can contain wildcards like * and ?
 // The backslash character (\) is an escape character for * and ?
diff --git a/base/string_util_unittest.cc b/base/string_util_unittest.cc
index b7639bb..cd45642 100644
--- a/base/string_util_unittest.cc
+++ b/base/string_util_unittest.cc
@@ -1056,33 +1056,6 @@ TEST(StringUtilTest, WprintfFormatPortabilityTest) {
   }
 }
 
-TEST(StringUtilTest, ElideString) {
-  struct TestData {
-    const wchar_t* input;
-    int max_len;
-    bool result;
-    const wchar_t* output;
-  } cases[] = {
-    { L"Hello", 0, true, L"" },
-    { L"", 0, false, L"" },
-    { L"Hello, my name is Tom", 1, true, L"H" },
-    { L"Hello, my name is Tom", 2, true, L"He" },
-    { L"Hello, my name is Tom", 3, true, L"H.m" },
-    { L"Hello, my name is Tom", 4, true, L"H..m" },
-    { L"Hello, my name is Tom", 5, true, L"H...m" },
-    { L"Hello, my name is Tom", 6, true, L"He...m" },
-    { L"Hello, my name is Tom", 7, true, L"He...om" },
-    { L"Hello, my name is Tom", 10, true, L"Hell...Tom" },
-    { L"Hello, my name is Tom", 100, false, L"Hello, my name is Tom" }
-  };
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
-    std::wstring output;
-    EXPECT_EQ(cases[i].result,
-              ElideString(cases[i].input, cases[i].max_len, &output));
-    EXPECT_TRUE(output == cases[i].output);
-  }
-}
-
 TEST(StringUtilTest, RemoveChars) {
   const char* kRemoveChars = "-/+*";
   std::string input = "A-+bc/d!*";