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

Review URL: https://codereview.chromium.org/19537005

git-svn-id: http://skia.googlecode.com/svn/trunk@10284 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index c0471d5..01eaaeb 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -38,6 +38,8 @@
 #include "SkTileGridPicture.h"
 #include "SamplePipeControllers.h"
 
+__SK_FORCE_IMAGE_DECODER_LINKING;
+
 #ifdef SK_BUILD_FOR_WIN
     // json includes xlocale which generates warning 4530 because we're compiling without
     // exceptions; see https://code.google.com/p/skia/issues/detail?id=1067
@@ -1408,6 +1410,38 @@
     return -1;
 }
 
+static bool skip_name(SkCommandLineFlags::StringArray array, const char name[]) {
+    // FIXME: this duplicates the logic in test/skia_test.cpp -- consolidate
+    int count = array.count();
+    size_t testLen = strlen(name);
+    bool anyExclude = count == 0;
+    for (int i = 0; i < array.count(); ++i) {
+        const char* matchName = array[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;
+}
+
 namespace skiagm {
 #if SK_SUPPORT_GPU
 SkAutoTUnref<GrContext> gGrContext;
@@ -2042,12 +2076,7 @@
         }
 
         const char* shortName = gm->shortName();
-
-        SkTDArray<const char*> matchStrs;
-        for (int i = 0; i < FLAGS_match.count(); ++i) {
-            matchStrs.push(FLAGS_match[i]);
-        }
-        if (SkCommandLineFlags::ShouldSkip(matchStrs, shortName)) {
+        if (skip_name(FLAGS_match, shortName)) {
             continue;
         }