Warm up the generic CMYK profile before building a sandbox

chrome/renderer/renderer_main_platform_delegate_mac.mm

 // Copyright (c) 2009 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/renderer/renderer_main_platform_delegate.h"
 
 #include "base/debug_util.h"
 
 #import <Foundation/Foundation.h>
 #import <ApplicationServices/ApplicationServices.h>
@@ skipping 20 matching lines @@
 // Warmup System APIs that empirically need to be accessed before the Sandbox
 // is turned on.
 // This method is layed out in blocks, each one containing a separate function
 // that needs to be warmed up. The OS version on which we found the need to
 // enable the function is also noted.
 // This function is tested on the following OS versions:
 //     10.5.6, 10.6 seed release
 void SandboxWarmup() {
   base::ScopedNSAutoreleasePool scoped_pool;
 
-  { // CGColorSpaceCreateWithName(), CGBitmapContextCreate() - 10.5.6
-    CGColorSpaceRef rgb_colorspace =
-        CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
+  {  // CGColorSpaceCreateWithName(), CGBitmapContextCreate() - 10.5.6
+    scoped_cftyperef<CGColorSpaceRef> rgb_colorspace(
+        CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB));
 
-    // Allocate a 1 byte image.
-    char data[8];
-    CGContextRef tmp = CGBitmapContextCreate(data, 1, 1, 8, 1*8,
-                                             rgb_colorspace,
-                                             kCGImageAlphaPremultipliedFirst |
-                                             kCGBitmapByteOrder32Host);
+    // Allocate a 1x1 image.
+    char data[4];
+    scoped_cftyperef<CGContextRef> context(
+        CGBitmapContextCreate(data, 1, 1, 8, 1 * 4,
+                              rgb_colorspace,
+                              kCGImageAlphaPremultipliedFirst |
+                                  kCGBitmapByteOrder32Host));
 
-    CGColorSpaceRelease(rgb_colorspace);
-    CGContextRelease(tmp);
-
-    // load in the color profiles we'll need (as a side effect).
+    // Load in the color profiles we'll need (as a side effect).
     (void) mac_util::GetSRGBColorSpace();
     (void) mac_util::GetSystemColorSpace();
+
+    // CGColorSpaceCreateSystemDefaultCMYK - 10.6
+    scoped_cftyperef<CGColorSpaceRef> cmyk_colorspace(
+        CGColorSpaceCreateWithName(kCGColorSpaceGenericCMYK));
   }
 
   {  // [-NSColor colorUsingColorSpaceName] - 10.5.6
     NSColor* color = [NSColor controlTextColor];
     [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
   }
 
   {  // localtime() - 10.5.6
     time_t tv = {0};
     localtime(&tv);
@@ skipping 73 matching lines @@
   if (error == -1) {
     LOG(ERROR) << "Failed to Initialize Sandbox: " << error_buff;
   }
   sandbox_free_error(error_buff);
   return success;
 }
 
 void RendererMainPlatformDelegate::RunSandboxTests() {
   // TODO(port): Run sandbox unit test here.
 }