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diff --git a/UnitTesting/GTMNSView+UnitTesting.m b/UnitTesting/GTMNSView+UnitTesting.m
deleted file mode 100644
index dd3e423..0000000
--- a/UnitTesting/GTMNSView+UnitTesting.m
+++ /dev/null
@@ -1,135 +0,0 @@
-//
-//  GTMNSView+UnitTesting.m
-//  
-//  Category for making unit testing of graphics/UI easier.
-//  Allows you to save a view out to a TIFF file, and compare a view
-//  with a previously stored representation to make sure it hasn't changed.
-//
-//  Copyright 2006-2008 Google Inc.
-//
-//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
-//  use this file except in compliance with the License.  You may obtain a copy
-//  of the License at
-// 
-//  http://www.apache.org/licenses/LICENSE-2.0
-// 
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-//  License for the specific language governing permissions and limitations under
-//  the License.
-//
-
-#import "GTMNSView+UnitTesting.h"
-#import <SenTestingKit/SenTestingKit.h>
-#import "GTMGeometryUtils.h"
-
-//  A view that allows you to delegate out drawing using the formal
-//  GTMUnitTestViewDelegate protocol above. This is useful when writing up unit
-//  tests for visual elements.
-//  Your test will often end up looking like this:
-//  - (void)testFoo {
-//   GTMAssertDrawingEqualToFile(self, NSMakeSize(200, 200), @"Foo", nil, nil);
-//  }
-//  and your testSuite will also implement the unitTestViewDrawRect method to do
-//  it's actual drawing. The above creates a view of size 200x200 that draws
-//  it's content using |self|'s unitTestViewDrawRect method and compares it to
-//  the contents of the file Foo.tif to make sure it's valid
-@implementation GTMUnitTestView
-
-- (id)initWithFrame:(NSRect)frame drawer:(id<GTMUnitTestViewDrawer>)drawer contextInfo:(void*)contextInfo{
-  self = [super initWithFrame:frame];
-  if (self != nil) {
-    drawer_ = [drawer retain];
-    contextInfo_ = contextInfo;
-  }
-  return self;
-}
-
-- (void) dealloc {
-  [drawer_ release];
-  [super dealloc];
-}
-
-
-- (void)drawRect:(NSRect)rect {
-  [drawer_ unitTestViewDrawRect:rect contextInfo:contextInfo_];
-}
-
-
-@end
-
-@implementation NSView (GTMUnitTestingAdditions) 
-
-//  Returns an image containing a representation of the object
-//  suitable for use in comparing against a master image.
-//  NB this means that all colors should be from "NSDevice" color space
-//  Does all of it's drawing with smoothfonts and antialiasing off
-//  to avoid issues with font smoothing settings and antialias differences
-//  between ppc and x86.
-//
-//  Returns:
-//    an image of the object
-- (NSImage*)unitTestImage {
-  // Create up a context
-  NSBitmapImageRep *imageRep = [self bitmapImageRepForCachingDisplayInRect:[self bounds]];
-  NSGraphicsContext *bitmapContext = [NSGraphicsContext graphicsContextWithBitmapImageRep:imageRep];
-  
-  // Store Current Context and switch to bitmap context
-  [NSGraphicsContext saveGraphicsState];
-  [NSGraphicsContext setCurrentContext: bitmapContext];
-  CGContextRef contextRef = (CGContextRef)[bitmapContext graphicsPort];
-  
-  // Save our state and turn off font smoothing and antialias.
-  CGContextSaveGState(contextRef);
-  CGContextSetShouldSmoothFonts(contextRef, false);
-  CGContextSetShouldAntialias(contextRef, false);
-  CGContextClearRect(contextRef, GTMNSRectToCGRect([self bounds]));
-  [self displayRectIgnoringOpacity:[self bounds] inContext:bitmapContext];
-  
-  // Clean up and create image
-  CGContextRestoreGState(contextRef);
-  [NSGraphicsContext restoreGraphicsState];
-  NSImage *image = [[[NSImage alloc] init] autorelease];
-  [image addRepresentation:imageRep];
-  return image;
-}
-
-//  Returns whether unitTestEncodeState should recurse into subviews
-//  of a particular view.
-//  Dan Waylonis discovered that if you have "Full keyboard access" in the
-//  Keyboard & Mouse > Keyboard Shortcuts preferences pane set to "Text boxes 
-//  and Lists only" that Apple adds a set of subviews to NSTextFields. So in the 
-//  case of NSTextFields we don't want to recurse into their subviews. There may 
-//  be other cases like this, so instead of specializing unitTestEncodeState: to
-//  look for NSTextFields, NSTextFields will just not allow us to recurse into
-//  their subviews.
-//
-//  Returns:
-//    should unitTestEncodeState pick up subview state.
-- (BOOL)shouldEncodeStateRecurseIntoSubviews {
-  return YES;
-}
-
-//  Encodes the state of an object in a manner suitable for comparing
-//  against a master state file so we can determine whether the
-//  object is in a suitable state.
-//
-//  Arguments:
-//    inCoder - the coder to encode our state into
-- (void)unitTestEncodeState:(NSCoder*)inCoder {
-  [super unitTestEncodeState:inCoder];
-  [inCoder encodeBool:[self isHidden] forKey:@"ViewIsHidden"];
-  if ([self shouldEncodeStateRecurseIntoSubviews]) {
-    NSEnumerator *subviewEnum = [[self subviews] objectEnumerator];
-    NSView *subview = nil;
-    int i = 0;
-    while ((subview = [subviewEnum nextObject])) {
-      [inCoder encodeObject:subview forKey:[NSString stringWithFormat:@"ViewSubView %d", i]];
-      i = i + 1;
-    }
-  }
-}
-
-@end
-