Issue #325 Part 3: Remove support for using legacy Gecko normalization in gfxHarfBuzzShaper.

1 files changed, 2 insertions, 28 deletions

diff --git a/gfx/thebes/gfxHarfBuzzShaper.cpp b/gfx/thebes/gfxHarfBuzzShaper.cpp
index 1f472f88d..4b9dbbc14 100644
--- a/gfx/thebes/gfxHarfBuzzShaper.cpp
+++ b/gfx/thebes/gfxHarfBuzzShaper.cpp
@@ -12,20 +12,14 @@
 #include "mozilla/Sprintf.h"
 #include "nsUnicodeProperties.h"
 #include "nsUnicodeScriptCodes.h"
-#include "nsUnicodeNormalizer.h"
 
 #include "harfbuzz/hb.h"
 #include "harfbuzz/hb-ot.h"
 
-#if ENABLE_INTL_API // ICU is available: we'll use it for Unicode composition
-                    // and decomposition in preference to nsUnicodeNormalizer.
 #include "unicode/unorm.h"
 #include "unicode/utext.h"
-#define MOZ_HB_SHAPER_USE_ICU_NORMALIZATION 1
+
 static const UNormalizer2 * sNormalizer = nullptr;
-#else
-#undef MOZ_HB_SHAPER_USE_ICU_NORMALIZATION
-#endif
 
 #include <algorithm>
 
@@ -1091,8 +1085,6 @@ HBUnicodeCompose(hb_unicode_funcs_t *ufuncs,
                  hb_codepoint_t     *ab,
                  void               *user_data)
 {
-#if MOZ_HB_SHAPER_USE_ICU_NORMALIZATION
-
     if (sNormalizer) {
         UChar32 ch = unorm2_composePair(sNormalizer, a, b);
         if (ch >= 0) {
@@ -1101,14 +1093,6 @@ HBUnicodeCompose(hb_unicode_funcs_t *ufuncs,
         }
     }
 
-#else // no ICU available, use the old nsUnicodeNormalizer
-
-    if (nsUnicodeNormalizer::Compose(a, b, ab)) {
-        return true;
-    }
-
-#endif
-
     return false;
 }
 
@@ -1129,8 +1113,6 @@ HBUnicodeDecompose(hb_unicode_funcs_t *ufuncs,
     }
 #endif
 
-#if MOZ_HB_SHAPER_USE_ICU_NORMALIZATION
-
     if (!sNormalizer) {
         return false;
     }
@@ -1162,12 +1144,6 @@ HBUnicodeDecompose(hb_unicode_funcs_t *ufuncs,
     utext_close(&text);
 
     return *b != 0 || *a != ab;
-
-#else // no ICU available, use the old nsUnicodeNormalizer
-
-    return nsUnicodeNormalizer::DecomposeNonRecursively(ab, a, b);
-
-#endif
 }
 
 static void
@@ -1250,11 +1226,9 @@ gfxHarfBuzzShaper::Initialize()
                                             HBUnicodeDecompose,
                                             nullptr, nullptr);
 
-#if MOZ_HB_SHAPER_USE_ICU_NORMALIZATION
         UErrorCode error = U_ZERO_ERROR;
         sNormalizer = unorm2_getNFCInstance(&error);
-        NS_ASSERTION(U_SUCCESS(error), "failed to get ICU normalizer");
-#endif
+        MOZ_ASSERT(U_SUCCESS(error), "failed to get ICU normalizer");
     }
 
     gfxFontEntry *entry = mFont->GetFontEntry();