Rebaseline imagemagnifier and dropshadowimagefilter tests.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9785004568147979273
         ]
       ], 
       "bugs": [
@@ skipping 5179 matching lines @@
       ], 
       "bugs": [
         2146
       ], 
       "reviewed-by-human": false
     }, 
     "dropshadowimagefilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12156758254935928614
+          14337791985002589107
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3409427114865193370
+          6418121318050274856
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14476602016812098953
+          9987975167883679483
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           15943794269652976463
         ]
@@ skipping 3111 matching lines @@
         [
           "bitmap-64bitMD5", 
           3705758857776045239
         ]
       ]
     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5563667344996973164
+          4020392797374134483
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1845870277236459979
+          11428003204008945500
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14011644356630400111
+          16393086093738304757
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7601404827323785637
         ]
@@ skipping 5011 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12937422788648264516
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }