Clean up 4 old bytes per paint.

BUG=
R=reed@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/27370003

git-svn-id: http://skia.googlecode.com/svn/trunk/src@12390 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/core/SkPaint.cpp b/core/SkPaint.cpp
index d6948dd..91a76e1 100644
--- a/core/SkPaint.cpp
+++ b/core/SkPaint.cpp
@@ -2005,11 +2005,7 @@
 };
 
 // The size of a flat paint's POD fields
-// Include an SkScalar for hinting scale factor whether it is
-// supported or not so that an SKP is valid whether it was
-// created with support or not.
-
-static const uint32_t kPODPaintSize =   6 * sizeof(SkScalar) +
+static const uint32_t kPODPaintSize =   5 * sizeof(SkScalar) +
                                         1 * sizeof(SkColor) +
                                         1 * sizeof(uint16_t) +
                                         6 * sizeof(uint8_t);
@@ -2046,8 +2042,6 @@
         ptr = write_scalar(ptr, this->getTextSize());
         ptr = write_scalar(ptr, this->getTextScaleX());
         ptr = write_scalar(ptr, this->getTextSkewX());
-        // Dummy value for obsolete hinting scale factor.  TODO: remove with next picture version
-        ptr = write_scalar(ptr, SK_Scalar1);
         ptr = write_scalar(ptr, this->getStrokeWidth());
         ptr = write_scalar(ptr, this->getStrokeMiter());
         *ptr++ = this->getColor();
@@ -2064,8 +2058,6 @@
         buffer.writeScalar(fTextSize);
         buffer.writeScalar(fTextScaleX);
         buffer.writeScalar(fTextSkewX);
-        // Dummy value for obsolete hinting scale factor.  TODO: remove with next picture version
-        buffer.writeScalar(SK_Scalar1);
         buffer.writeScalar(fWidth);
         buffer.writeScalar(fMiterLimit);
         buffer.writeColor(fColor);
@@ -2120,8 +2112,6 @@
         this->setTextSize(read_scalar(pod));
         this->setTextScaleX(read_scalar(pod));
         this->setTextSkewX(read_scalar(pod));
-        // Skip the hinting scalar factor, which is not supported.
-        read_scalar(pod);
         this->setStrokeWidth(read_scalar(pod));
         this->setStrokeMiter(read_scalar(pod));
         this->setColor(*pod++);