color: Fix color not being reset between layout tests

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index dff10a62dfdd3c68b87582b536b6fa0c0f596575..4ea8d78da5d581aad99f74b6d5312de85f4ed263 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -497,6 +497,8 @@ gfx::ICCProfile GetTestingICCProfile(const std::string& name) {
     return gfx::ICCProfileForTestingColorSpin();
   } else if (name == "adobeRGB") {
     return gfx::ICCProfileForTestingAdobeRGB();
+  } else if (name == "reset") {
+    return gfx::ICCProfileForLayoutTests();
   }
   return gfx::ICCProfile();
 }