Allow pictures to have a full bounds

This reverts commit 7c4cdd2c5b7b6c71fa0e7612594f7885f2dbf264.

BUG=skia:

Review URL: https://codereview.chromium.org/738083002
diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index 1af328a..998fb66 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -10,9 +10,13 @@
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
 
-// SkCanvas will fail in mysterious ways if it doesn't know the real width and height.
 SkRecorder::SkRecorder(SkRecord* record, int width, int height)
-    : SkCanvas(width, height, SkCanvas::kConservativeRasterClip_InitFlag)
+    : SkCanvas(SkIRect::MakeWH(width, height), SkCanvas::kConservativeRasterClip_InitFlag)
+    , fRecord(record)
+    , fSaveLayerCount(0) {}
+
+SkRecorder::SkRecorder(SkRecord* record, const SkRect& bounds)
+    : SkCanvas(bounds.roundOut(), SkCanvas::kConservativeRasterClip_InitFlag)
     , fRecord(record)
     , fSaveLayerCount(0) {}