Revert r10280, which caused https://code.google.com/p/skia/issues/detail?id=1441

tools/flags/SkCommandLineFlags.cpp

Index: tools/flags/SkCommandLineFlags.cpp
===================================================================
--- tools/flags/SkCommandLineFlags.cpp	(revision 10283)
+++ tools/flags/SkCommandLineFlags.cpp	(working copy)
@@ -303,34 +303,3 @@
         exit(0);
     }
 }
-
-bool SkCommandLineFlags::ShouldSkip(const SkTDArray<const char*>& strings, const char* name) {
-    int count = strings.count();
-    size_t testLen = strlen(name);
-    bool anyExclude = count == 0;
-    for (int i = 0; i < strings.count(); ++i) {
-        const char* matchName = strings[i];
-        size_t matchLen = strlen(matchName);
-        bool matchExclude, matchStart, matchEnd;
-        if ((matchExclude = matchName[0] == '~')) {
-            anyExclude = true;
-            matchName++;
-            matchLen--;
-        }
-        if ((matchStart = matchName[0] == '^')) {
-            matchName++;
-            matchLen--;
-        }
-        if ((matchEnd = matchName[matchLen - 1] == '$')) {
-            matchLen--;
-        }
-        if (matchStart ? (!matchEnd || matchLen == testLen)
-                && strncmp(name, matchName, matchLen) == 0
-                : matchEnd ? matchLen <= testLen
-                && strncmp(name + testLen - matchLen, matchName, matchLen) == 0
-                : strstr(name, matchName) != 0) {
-            return matchExclude;
-        }
-    }
-    return !anyExclude;
-}