replace COMPILE_ASSERT with static_assert in ui/

ui/native_theme/native_theme_mac.mm

 // Copyright (c) 2013 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 "ui/native_theme/native_theme_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/mac/mac_util.h"
@@ skipping 38 matching lines @@
 // system colors are just opaque objects that can paint themselves and otherwise
 // tell you nothing. In 10.8, some of the system color classes have incomplete
 // implementations and throw exceptions even attempting to convert using
 // -[NSColor colorUsingColorSpace:], so don't bother there either.
 // This function paints a single pixel to a 1x1 swatch and reads it back.
 SkColor GetSystemColorUsingSwatch(NSColor* color) {
   SkColor swatch;
   base::ScopedCFTypeRef<CGColorSpaceRef> color_space(
       CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB));
   const size_t bytes_per_row = 4;
-  COMPILE_ASSERT(sizeof(swatch) == bytes_per_row, skcolor_not_4_bytes);
+  static_assert(sizeof(swatch) == bytes_per_row, "skcolor should be 4 bytes");
   CGBitmapInfo bitmap_info =
       kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host;
   base::ScopedCFTypeRef<CGContextRef> context(CGBitmapContextCreate(
       &swatch, 1, 1, 8, bytes_per_row, color_space, bitmap_info));
 
   NSGraphicsContext* drawing_context =
       [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
   [NSGraphicsContext saveGraphicsState];
   [NSGraphicsContext setCurrentContext:drawing_context];
   [color drawSwatchInRect:NSMakeRect(0, 0, 1, 1)];
@@ skipping 293 matching lines @@
   set_scrollbar_button_length(0);
   SetScrollbarColors(kScrollerThumbColor,
                      kScrollerThumbHoverColor,
                      kScrollerTrackGradientColors[0]);
 }
 
 NativeThemeMac::~NativeThemeMac() {
 }
 
 }  // namespace ui