Remove obsolete canExpandAroundIdeographsInComplexText

Source/platform/fonts/Character.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/fonts/Character.h"
 
-#include "platform/fonts/FontPlatformFeatures.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/StringBuilder.h"
 
 using namespace WTF;
 using namespace Unicode;
 
 namespace blink {
 
 static const UChar32 cjkIsolatedSymbolsArray[] = {
     // 0x2C7 Caron, Mandarin Chinese 3rd Tone
@@ skipping 236 matching lines @@
             } else {
                 isAfterExpansion = false;
             }
         }
     }
     return count;
 }
 
 unsigned Character::expansionOpportunityCount(const UChar* characters, size_t length, TextDirection direction, bool& isAfterExpansion)
 {
-    static bool expandAroundIdeographs = FontPlatformFeatures::canExpandAroundIdeographsInComplexText();
     unsigned count = 0;
     if (direction == LTR) {
         for (size_t i = 0; i < length; ++i) {
             UChar32 character = characters[i];
             if (treatAsSpace(character)) {
                 count++;
                 isAfterExpansion = true;
                 continue;
             }
             if (U16_IS_LEAD(character) && i + 1 < length && U16_IS_TRAIL(characters[i + 1])) {
                 character = U16_GET_SUPPLEMENTARY(character, characters[i + 1]);
                 i++;
             }
-            if (expandAroundIdeographs && isCJKIdeographOrSymbol(character)) {
-                if (!isAfterExpansion)
-                    count++;
-                count++;
-                isAfterExpansion = true;
-                continue;
-            }
             isAfterExpansion = false;
         }
     } else {
         for (size_t i = length; i > 0; --i) {
             UChar32 character = characters[i - 1];
             if (treatAsSpace(character)) {
                 count++;
                 isAfterExpansion = true;
                 continue;
             }
             if (U16_IS_TRAIL(character) && i > 1 && U16_IS_LEAD(characters[i - 2])) {
                 character = U16_GET_SUPPLEMENTARY(characters[i - 2], character);
                 i--;
             }
-            if (expandAroundIdeographs && isCJKIdeographOrSymbol(character)) {
-                if (!isAfterExpansion)
-                    count++;
-                count++;
-                isAfterExpansion = true;
-                continue;
-            }
             isAfterExpansion = false;
         }
     }
     return count;
 }
 
 bool Character::canReceiveTextEmphasis(UChar32 c)
 {
     CharCategory category = Unicode::category(c);
     if (category & (Separator_Space | Separator_Line | Separator_Paragraph | Other_NotAssigned | Other_Control | Other_Format))
@@ skipping 23 matching lines @@
 {
     return normalizeSpacesInternal(characters, length);
 }
 
 String Character::normalizeSpaces(const UChar* characters, unsigned length)
 {
     return normalizeSpacesInternal(characters, length);
 }
 
 } // namespace blink