Revert of Rebaseline imagemagnifier and dropshadowimagefilter tests.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 5414 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "dropshadowimagefilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15598741237221192539
+          2878413088829673422
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8453717270421240013
+          4660236967370621790
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9076271697431904751
+          14938094761111292388
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           8887194911837226938
         ]
@@ skipping 3029 matching lines @@
         [
           "bitmap-64bitMD5", 
           7403124810876127284
         ]
       ]
     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18111969866340614531
+          3118751021842548389
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12471047414859370196
+          16134641349444195314
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10137523293325852335
+          10548005182299770458
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6977401320822346760
         ]
@@ skipping 5156 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12937422788648264516
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }