Remove all the OS X 10.6 SDK forward declarations.

webkit/support/platform_support_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/support/platform_support.h"
 
 #import <AppKit/AppKit.h>
 #include <AvailabilityMacros.h>
 #import <Foundation/Foundation.h>
 #import <objc/objc-runtime.h>
@@ skipping 101 matching lines @@
     LOG(FATAL) << "failed to load DumpRenderTree.pak";
   }
 
   // Load font files in the resource folder.
   static const char* const fontFileNames[] = {
       "AHEM____.TTF",
       // We don't register WebKitWeightWather fonts because of
       // webkit.org/b/50709.
   };
 
-#if defined(MAC_OS_X_VERSION_10_6) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
   NSMutableArray* font_urls = [NSMutableArray array];
   NSURL* resources_directory = [[NSBundle mainBundle] resourceURL];
   for (unsigned i = 0; i < arraysize(fontFileNames); ++i) {
     NSURL* font_url = [resources_directory
         URLByAppendingPathComponent:[NSString
             stringWithUTF8String:fontFileNames[i]]];
     [font_urls addObject:[font_url absoluteURL]];
   }
 
   CFArrayRef errors = 0;
   if (!CTFontManagerRegisterFontsForURLs((CFArrayRef)font_urls,
                                          kCTFontManagerScopeProcess,
                                          &errors)) {
     DLOG(FATAL) << "Fail to activate fonts.";
     CFRelease(errors);
   }
-#else
-  NSString* resources = [[NSBundle mainBundle] resourcePath];
-  for (unsigned i = 0; i < arraysize(fontFileNames); ++i) {
-    const char* resource_path = [[resources stringByAppendingPathComponent:
-        [NSString stringWithUTF8String:fontFileNames[i]]] UTF8String];
-    FSRef resource_ref;
-    const UInt8* uint8_resource_path
-        = reinterpret_cast<const UInt8*>(resource_path);
-    if (FSPathMakeRef(uint8_resource_path, &resource_ref, nil) != noErr) {
-      DLOG(FATAL) << "Fail to open " << resource_path;
-    }
-    if (ATSFontActivateFromFileReference(&resource_ref, kATSFontContextLocal,
-        kATSFontFormatUnspecified, 0, kATSOptionFlagsDefault, 0) != noErr) {
-      DLOG(FATAL) << "Fail to activate font: " << resource_path;
-    }
-  }
-#endif
 
   SwizzleNSPasteboard();
 
   // Add <app bundle's parent dir>/plugins to the plugin path so we can load
   // test plugins.
   FilePath plugins_dir;
   PathService::Get(base::DIR_EXE, &plugins_dir);
   plugins_dir = plugins_dir.AppendASCII("../../../plugins");
   webkit::npapi::PluginList::Singleton()->AddExtraPluginDir(plugins_dir);
 }
@@ skipping 81 matching lines @@
       }
     }
     return resize_corner_data;
   }
   }
   base::StringPiece res;
   if (g_resource_data_pack)
     g_resource_data_pack->GetStringPiece(resource_id, &res);
   return res;
 }