Use gfx::ICCProfile type consistently

ui/gfx/icc_profile.cc

Index: ui/gfx/icc_profile.cc
diff --git a/ui/gfx/icc_profile.cc b/ui/gfx/icc_profile.cc
index 6a1bead8c4f5a8dc921055d4808ab9e65d075b89..c5e84d1fc4e9b5fc830b949d9ba9c7d2f1bd5b0a 100644
--- a/ui/gfx/icc_profile.cc
+++ b/ui/gfx/icc_profile.cc
@@ -56,6 +56,10 @@ bool ICCProfile::operator==(const ICCProfile& other) const {
   return false;
 }
 
+bool ICCProfile::operator!=(const ICCProfile& other) const {
+  return !(*this == other);
+}
+
 // static
 ICCProfile ICCProfile::FromData(const char* data, size_t size) {
   ICCProfile icc_profile;