Removal of dependencies on PlatformDevice classes.

skia/ext/bitmap_platform_device_mac.cc

Index: skia/ext/bitmap_platform_device_mac.cc
===================================================================
--- skia/ext/bitmap_platform_device_mac.cc	(revision 86706)
+++ skia/ext/bitmap_platform_device_mac.cc	(working copy)
@@ -226,8 +226,8 @@
   data_->SetMatrixClip(transform, region);
 }
 
-void BitmapPlatformDevice::DrawToContext(CGContextRef context, int x, int y,
-                                         const CGRect* src_rect) {
+void BitmapPlatformDevice::DrawToNativeContext(CGContextRef context, int x,
+                                               int y, const CGRect* src_rect) {
   bool created_dc = false;
   if (!data_->bitmap_context()) {
     created_dc = true;
@@ -261,14 +261,6 @@
   return false;
 }
 
-// Returns the color value at the specified location.
-SkColor BitmapPlatformDevice::getColorAt(int x, int y) {
-  const SkBitmap& bitmap = accessBitmap(true);
-  SkAutoLockPixels lock(bitmap);
-  uint32_t* data = bitmap.getAddr32(0, 0);
-  return static_cast<SkColor>(data[x + y * width()]);
-}
-
 void BitmapPlatformDevice::onAccessBitmap(SkBitmap*) {
   // Not needed in CoreGraphics
 }