Revert of [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 ef6ccccd835e1caeaee39ede4be4970a19f43150..c4a1153926957e88bd342db0d132308688f507ef 100644
--- a/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
+++ b/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
@@ -19,7 +19,6 @@
 #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"
@@ -49,7 +48,6 @@
 #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)
@@ -95,11 +93,6 @@
   // Note: need to unlock the proxy lock like ensureFontLoaded does.
   NOTIMPLEMENTED();
   return false;
-}
-
-CGColorSpaceRef
-PpapiWebKitPlatformSupportImpl::SandboxSupport::displayColorSpace() {
-  return base::mac::GetSystemColorSpace();
 }
 
 #elif defined(OS_ANDROID)