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diff --git a/WebKit/mac/WebView/WebPDFRepresentation.mm b/WebKit/mac/WebView/WebPDFRepresentation.mm
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+++ b/WebKit/mac/WebView/WebPDFRepresentation.mm
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+/*
+ * Copyright (C) 2005, 2006 Apple Computer, 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:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT 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.
+ */
+
+#import "WebPDFRepresentation.h"
+
+#import "WebDataSourcePrivate.h"
+#import "WebFrame.h"
+#import "WebJSPDFDoc.h"
+#import "WebNSObjectExtras.h"
+#import "WebPDFDocumentExtras.h"
+#import "WebPDFView.h"
+#import "WebTypesInternal.h"
+#import <JavaScriptCore/Assertions.h>
+#import <JavaScriptCore/JSContextRef.h>
+#import <JavaScriptCore/JSStringRef.h>
+#import <JavaScriptCore/JSStringRefCF.h>
+
+@implementation WebPDFRepresentation
+
++ (NSArray *)postScriptMIMETypes
+{
+    return [NSArray arrayWithObjects:
+        @"application/postscript",
+        nil];
+}
+
++ (NSArray *)supportedMIMETypes
+{
+    return [[[self class] postScriptMIMETypes] arrayByAddingObjectsFromArray:
+        [NSArray arrayWithObjects:
+            @"text/pdf",
+            @"application/pdf",
+            nil]];
+}
+
++ (Class)PDFDocumentClass
+{
+    static Class PDFDocumentClass = nil;
+    if (PDFDocumentClass == nil) {
+        PDFDocumentClass = [[WebPDFView PDFKitBundle] classNamed:@"PDFDocument"];
+        if (PDFDocumentClass == nil) {
+            LOG_ERROR("Couldn't find PDFDocument class in PDFKit.framework");
+        }
+    }
+    return PDFDocumentClass;
+}
+
++ (void)initialize
+{
+    if (self != [WebPDFRepresentation class])
+        return;
+
+    Class pdfDocumentClass = [self PDFDocumentClass];
+    if (pdfDocumentClass)
+        addWebPDFDocumentExtras(pdfDocumentClass);
+}
+
+- (void)setDataSource:(WebDataSource *)dataSource;
+{
+}
+
+- (void)receivedData:(NSData *)data withDataSource:(WebDataSource *)dataSource;
+{
+}
+
+- (void)receivedError:(NSError *)error withDataSource:(WebDataSource *)dataSource;
+{
+}
+
+- (NSData *)convertPostScriptDataSourceToPDF:(NSData *)data
+{
+    // Convert PostScript to PDF using Quartz 2D API
+    // http://developer.apple.com/documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_ps_convert/chapter_16_section_1.html
+
+    CGPSConverterCallbacks callbacks = { 0, 0, 0, 0, 0, 0, 0, 0 };    
+    CGPSConverterRef converter = CGPSConverterCreate(0, &callbacks, 0);
+    ASSERT(converter);
+
+    CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)data);
+    ASSERT(provider);
+
+    CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+    ASSERT(result);
+
+    CGDataConsumerRef consumer = CGDataConsumerCreateWithCFData(result);
+    ASSERT(consumer);
+
+    // Error handled by detecting zero-length 'result' in caller
+    CGPSConverterConvert(converter, provider, consumer, 0);
+
+    CFRelease(converter);
+    CFRelease(provider);
+    CFRelease(consumer);
+
+    return WebCFAutorelease(result);
+}
+
+- (void)finishedLoadingWithDataSource:(WebDataSource *)dataSource
+{
+    NSData *data = [dataSource data];
+
+    NSArray *postScriptMIMETypes = [[self class] postScriptMIMETypes];
+    NSString *mimeType = [dataSource _responseMIMEType];
+    if ([postScriptMIMETypes containsObject:mimeType]) {
+        data = [self convertPostScriptDataSourceToPDF:data];
+        if ([data length] == 0)
+            return;
+    }
+
+    WebPDFView *view = (WebPDFView *)[[[dataSource webFrame] frameView] documentView];
+    PDFDocument *doc = [[[[self class] PDFDocumentClass] alloc] initWithData:data];
+    [view setPDFDocument:doc];
+
+    NSArray *scripts = [doc _web_allScripts];
+    [doc release];
+    doc = nil;
+
+    NSUInteger scriptCount = [scripts count];
+    if (!scriptCount)
+        return;
+
+    JSGlobalContextRef ctx = JSGlobalContextCreate(0);
+    JSObjectRef jsPDFDoc = makeJSPDFDoc(ctx, dataSource);
+
+    for (NSUInteger i = 0; i < scriptCount; ++i) {
+        JSStringRef script = JSStringCreateWithCFString((CFStringRef)[scripts objectAtIndex:i]);
+        JSEvaluateScript(ctx, script, jsPDFDoc, 0, 0, 0);
+        JSStringRelease(script);
+    }
+
+    JSGlobalContextRelease(ctx);
+}
+
+- (BOOL)canProvideDocumentSource
+{
+    return NO;
+}
+
+
+- (NSString *)documentSource
+{
+    return nil;
+}
+
+
+- (NSString *)title
+{
+    return nil;
+}
+
+@end