Move uncoupled code out of skia/ext/platform_device.h

skia/ext/platform_device.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/logging.h"
 #include "skia/ext/platform_device.h"
 
 #include "third_party/skia/include/core/SkMetaData.h"
 
-namespace skia {
-
 namespace {
 
 const char kDevicePlatformBehaviour[] = "CrDevicePlatformBehaviour";
 
-#if defined(OS_MACOSX)
-const char kIsPreviewMetafileKey[] = "CrIsPreviewMetafile";
-
-void SetBoolMetaData(const SkCanvas& canvas, const char* key,  bool value) {
-  SkMetaData& meta = skia::getMetaData(canvas);
-  meta.setBool(key, value);
-}
-
-bool GetBoolMetaData(const SkCanvas& canvas, const char* key) {
-  bool value;
-  SkMetaData& meta = skia::getMetaData(canvas);
-  if (!meta.findBool(key, &value))
-    value = false;
-  return value;
-}
-#endif
-
 }  // namespace
 
-void SetPlatformDevice(SkBaseDevice* device,
-                       PlatformDevice* platform_behaviour) {
+namespace skia {
+
+void SetPlatformDevice(SkBaseDevice* device, PlatformDevice* platform_behaviour) {
   SkMetaData& meta_data = device->getMetaData();
   meta_data.setPtr(kDevicePlatformBehaviour, platform_behaviour);
 }
 
 PlatformDevice* GetPlatformDevice(SkBaseDevice* device) {
   if (device) {
     SkMetaData& meta_data = device->getMetaData();
     PlatformDevice* device_behaviour = NULL;
     if (meta_data.findPtr(kDevicePlatformBehaviour,
                           reinterpret_cast<void**>(&device_behaviour)))
       return device_behaviour;
   }
   return NULL;
 }
 
-SkMetaData& getMetaData(const SkCanvas& canvas) {
-  SkBaseDevice* device = canvas.getDevice();
-  DCHECK(device != NULL);
-  return device->getMetaData();
-}
-
-#if defined(OS_MACOSX)
-void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview) {
-  SetBoolMetaData(canvas, kIsPreviewMetafileKey, is_preview);
-}
-
-bool IsPreviewMetafile(const SkCanvas& canvas) {
-  return GetBoolMetaData(canvas, kIsPreviewMetafileKey);
-}
-#endif
-
 bool PlatformDevice::SupportsPlatformPaint() {
   return true;
 }
 
 }  // namespace skia