more PDF filterbitmap ignores

expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json

Index: expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
diff --git a/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json b/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
index 6278101d7f1d5a36e3b5ddc071f2f65712d2dd25..7ee6ed0f2eda53a57118161a45a76445f00758b0 100644
--- a/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
@@ -7177,24 +7177,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13126261783377006996
+          17709234466906542744
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_192_192_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4427412450230254707
+          5203388461958240579
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_2_565.png": {
@@ -7228,24 +7224,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10468253056731813181
+          13803288591103200787
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_2_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13869326896548536312
+          18444539834437971943
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_32_565.png": {
@@ -7279,24 +7271,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6040989489253256282
+          5337379195053130790
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_32_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4075616322670456035
+          10947750880182249988
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_8_565.png": {
@@ -7330,24 +7318,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9674811266443562004
+          1335520190340626540
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_8_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15358045633896345106
+          3205779391809712145
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_4_4_565.png": {
@@ -7381,24 +7365,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14082695199848035351
+          15687195712367642858
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_4_4_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6469355008067410964
+          10295529840226518047
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_128.png_565.png": {
@@ -7714,24 +7694,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12404977064332384595
+          8298207693927880611
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_10.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11874366064483490608
+          9088538566973174252
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_3.00pt_565.png": {
@@ -7765,24 +7741,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16880807366163618593
+          1436779542763238086
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_3.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16988586097855813816
+          18141976496077855720
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_7.00pt_565.png": {
@@ -7816,24 +7788,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5439389614486657711
+          14216554622153018756
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_7.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14963000169179357094
+          15385359604887651453
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "fontcache_gpu.png": {