hide deviceproperties, prepare the way for surfaceprops

BUG=skia:
NOTRY=True
R=bungeman@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/577023002
diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp
index d22b227..9b37da1 100644
--- a/src/core/SkDevice.cpp
+++ b/src/core/SkDevice.cpp
@@ -6,23 +6,14 @@
  */
 
 #include "SkDevice.h"
+#include "SkDeviceProperties.h"
 #include "SkDraw.h"
 #include "SkMetaData.h"
 #include "SkPatchUtils.h"
 #include "SkTextBlob.h"
 
 SkBaseDevice::SkBaseDevice()
-    : fLeakyProperties(SkDeviceProperties::MakeDefault())
-#ifdef SK_DEBUG
-    , fAttachedToCanvas(false)
-#endif
-{
-    fOrigin.setZero();
-    fMetaData = NULL;
-}
-
-SkBaseDevice::SkBaseDevice(const SkDeviceProperties& deviceProperties)
-    : fLeakyProperties(deviceProperties)
+    : fLeakyProperties(SkNEW_ARGS(SkDeviceProperties, (SkDeviceProperties::MakeDefault())))
 #ifdef SK_DEBUG
     , fAttachedToCanvas(false)
 #endif
@@ -32,7 +23,8 @@
 }
 
 SkBaseDevice::~SkBaseDevice() {
-    delete fMetaData;
+    SkDELETE(fLeakyProperties);
+    SkDELETE(fMetaData);
 }
 
 SkBaseDevice* SkBaseDevice::createCompatibleDevice(const SkImageInfo& info) {