tryAllocPixels returns bool, allocPixels requires success

chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.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 "chrome/browser/ui/cocoa/table_row_nsimage_cache.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 13 matching lines @@
   virtual gfx::ImageSkia GetIcon(int index) const OVERRIDE {
     return gfx::ImageSkia::CreateFrom1xBitmap(rows_[index]);
   }
 
  private:
   std::vector<SkBitmap> rows_;
 };
 
 SkBitmap MakeImage(int width, int height) {
   SkBitmap image;
-  EXPECT_TRUE(image.allocN32Pixels(width, height));
+  image.allocN32Pixels(width, height);
   image.eraseARGB(255, 255, 0, 0);
   return image;
 }
 
 // Define this as a macro so that the original variable names can be used in
 // test output.
 #define COMPARE_SK_NS_IMG_SIZES(skia, cocoa) \
   EXPECT_EQ(skia.width(), [cocoa size].width); \
   EXPECT_EQ(skia.height(), [cocoa size].height);
 
@@ skipping 146 matching lines @@
   cache.OnItemsRemoved(1, 3);
 
   image0 = cache.GetImageForRow(0);
   image1 = cache.GetImageForRow(1);
 
   COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
   COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
 }
 
 }  // namespace