diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/ports/SkDebug_nacl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/ports/SkDebug_nacl.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+
+#include "SkTypes.h"
+
+static const size_t kBufferSize = 2048;
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/var.h"
+
+extern pp::Instance* gPluginInstance;
+
+namespace {
+static const char* kLogPrefix = "SkDebugf:";
+}
+
+void SkDebugf(const char format[], ...) {
+    if (gPluginInstance) {
+        char buffer[kBufferSize + 1];
+        va_list args;
+        va_start(args, format);
+        sprintf(buffer, kLogPrefix);
+        vsnprintf(buffer + strlen(kLogPrefix), kBufferSize, format, args);
+        va_end(args);
+        pp::Var msg = pp::Var(buffer);
+        gPluginInstance->PostMessage(msg);
+    }
+}