Add PDF compositor service

content/utility/utility_thread_impl.cc

Index: content/utility/utility_thread_impl.cc
diff --git a/content/utility/utility_thread_impl.cc b/content/utility/utility_thread_impl.cc
index 4f61f4607dfb40c33565a5f688bbddd66b5f9222..ce1aa6f3a72de5161254b88344baa0f296d25f3c 100644
--- a/content/utility/utility_thread_impl.cc
+++ b/content/utility/utility_thread_impl.cc
@@ -22,7 +22,10 @@
 #include "ipc/ipc_sync_channel.h"
 #include "ppapi/features/features.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
+#include "services/service_manager/public/cpp/interface_registry.h"
+#include "third_party/WebKit/public/platform/WebImageGenerator.h"
 #include "third_party/WebKit/public/web/WebKit.h"
+#include "third_party/skia/include/core/SkGraphics.h"
 
 #if defined(OS_POSIX) && BUILDFLAG(ENABLE_PLUGINS)
 #include "base/files/file_path.h"
@@ -81,6 +84,12 @@ void UtilityThreadImpl::EnsureBlinkInitialized() {
   blink::Platform::Initialize(blink_platform_impl_.get());
 }
 
+void UtilityThreadImpl::EnsureReadyForSkia() {
+  // Hook up blink's codecs so skia can call them.
+  SkGraphics::SetImageGeneratorFromEncodedDataFactory(
+      blink::WebImageGenerator::Create);
+}
+
 void UtilityThreadImpl::Init() {
   batch_mode_ = false;
   ChildProcess::current()->AddRefProcess();