* Removed bitmapshaders from expectations/gm/ignored-tests.txt.

expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-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 1407 matching lines @@
       ], 
       "bugs": [
         2325
       ], 
       "reviewed-by-human": false
     }, 
     "bitmapshaders_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5197903277365321489
+          4292341330653523437
         ]
       ], 
       "bugs": [
-        2325
+        2293
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "bitmapshaders_msaa16.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11326079456423410536
+          10394624353240372473
         ]
       ], 
       "bugs": [
-        2325
+        2293
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "bitmapshaders_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1701339364161004751
+          3936439496049488534
         ]
       ], 
       "bugs": [
-        2325
+        2293
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "bitmapshaders_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16755526600545033046
         ]
       ], 
       "reviewed-by-human": true
     }, 
@@ skipping 18266 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14883391086059083985
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }