Rebaseline pictureshader GM after http://crrev.com/852213002

expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 16956 matching lines @@
           "bitmap-64bitMD5", 
           12928401000246596270
         ]
       ], 
       "reviewed-by-human": false
     }, 
     "pictureshader_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17167504351665242025
+          13086683117104852386
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6493310883399133453
+          17461868971238166317
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4540915219417332918
+          3420398330192019635
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_msaa16.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2553806652201319256
+          677973223171891796
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4540915219417332918
+          3420398330192019635
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           71577620991525908
         ]
@@ skipping 4895 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11835374726311942978
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }