GetNativeImageDataFormat: Return PP_IMAGEDATAFORMAT_RGBA_PREMUL in the case of SK_R32_SHIFT == 0 (…

ppapi/shared_impl/ppb_image_data_shared.cc

Index: ppapi/shared_impl/ppb_image_data_shared.cc
diff --git a/ppapi/shared_impl/ppb_image_data_shared.cc b/ppapi/shared_impl/ppb_image_data_shared.cc
index 50751a03829dc830c02f7ceb5de87da48e0cf858..3900c92197aa768711234948a72dbed4730aef7b 100644
--- a/ppapi/shared_impl/ppb_image_data_shared.cc
+++ b/ppapi/shared_impl/ppb_image_data_shared.cc
@@ -26,7 +26,12 @@ PP_ImageDataFormat PPB_ImageData_Shared::GetNativeImageDataFormat() {
   NOTIMPLEMENTED();
   return PP_IMAGEDATAFORMAT_BGRA_PREMUL;
 #else
-  return PP_IMAGEDATAFORMAT_BGRA_PREMUL;
+  if (SK_B32_SHIFT == 0)
+    return PP_IMAGEDATAFORMAT_BGRA_PREMUL;
+  else if (SK_R32_SHIFT == 0)
+    return PP_IMAGEDATAFORMAT_RGBA_PREMUL;
+  else
+    return PP_IMAGEDATAFORMAT_BGRA_PREMUL; // Default to something on failure
 #endif
 }