[Mac] Implement a new WebSandboxSupport method to get the display's color space.

content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc

Index: content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
diff --git a/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc b/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
index c4a1153926957e88bd342db0d132308688f507ef..ef6ccccd835e1caeaee39ede4be4970a19f43150 100644
--- a/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
+++ b/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
@@ -19,6 +19,7 @@
 #if defined(OS_WIN)
 #include "third_party/WebKit/public/platform/win/WebSandboxSupport.h"
 #elif defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
 #include "third_party/WebKit/public/platform/mac/WebSandboxSupport.h"
 #elif defined(OS_ANDROID)
 #include "third_party/WebKit/public/platform/android/WebSandboxSupport.h"
@@ -48,6 +49,7 @@ class PpapiWebKitPlatformSupportImpl::SandboxSupport
 #elif defined(OS_MACOSX)
   virtual bool loadFont(
       NSFont* srcFont, CGFontRef* out, uint32_t* fontID);
+  virtual CGColorSpaceRef displayColorSpace();
 #elif defined(OS_ANDROID)
   // Empty class.
 #elif defined(OS_POSIX)
@@ -95,6 +97,11 @@ bool PpapiWebKitPlatformSupportImpl::SandboxSupport::loadFont(
   return false;
 }
 
+CGColorSpaceRef
+PpapiWebKitPlatformSupportImpl::SandboxSupport::displayColorSpace() {
+  return base::mac::GetSystemColorSpace();

[Noel Gordon, 2014/09/10 07:22:36]

Why does ppapi need color profiles?  That'd allow user fingerprinting via
user-private information - their color profile.

+}
+
 #elif defined(OS_ANDROID)
 
 // Empty class.