More bulk rebaselining. I reviewed all the images, mostly from CLs.

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

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 255 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "bezier_conic_effects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13586523433362216366
+          12878556626723855824
         ]
       ]
     }, 
     "bezier_cubic_effects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5018596901529633883
+          6955489838165047676
         ]
       ]
     }, 
     "bezier_quad_effects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12133711638346243025
+          7964651459079171199
         ]
       ]
     }, 
     "bicubicfilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           5515466835202955433
         ]
       ], 
@@ skipping 5602 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "fontscaler_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14091148720524042359
+          2784375752157779495
         ]
       ], 
       "ignore-failure": false
     }, 
     "fontscaler_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1968843401577837929
+          12641496326873101774
         ]
       ], 
       "ignore-failure": false
     }, 
     "fontscaler_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4020003215920309363
+          5065724642772866497
         ]
       ], 
       "ignore-failure": false
     }, 
     "fontscaler_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1115607187163712899
+          16226028973957166427
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "gammatext_565.png": {
       "allowed-digests": [
         [
@@ skipping 2504 matching lines @@
           "bitmap-64bitMD5", 
           9418063666161005464
         ]
       ], 
       "ignore-failure": false
     }, 
     "points_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          148723455097897320
+          10488106841076819004
         ]
       ], 
       "ignore-failure": false
     }, 
     "points_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14208320379733166227
         ]
@@ skipping 2508 matching lines @@
           13996013494185391731
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }