more PDF filterbitmap ignores

expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json

Index: expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json
diff --git a/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json b/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json
index 5eb81e26175c5b88f0bd875d91fab9d4be009cc9..7cdae60ee6f2f2b356542e6bbfc48a97840127df 100644
--- a/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json
+++ b/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug/expected-results.json
@@ -7534,24 +7534,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          151811524449006679
+          16644974874061458792
         ]
       ], 
-      "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": {
@@ -7585,24 +7581,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17555055093763503342
+          7082407784793867898
         ]
       ], 
-      "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": {
@@ -7636,24 +7628,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14772555000255909478
+          5526760430230048215
         ]
       ], 
-      "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": {
@@ -7687,24 +7675,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2031747113374110510
+          18303950854825774657
         ]
       ], 
-      "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": {
@@ -7738,24 +7722,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7496027349312390301
+          7655740957333808249
         ]
       ], 
-      "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": {
@@ -8071,24 +8051,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11992027099801568159
+          2283770940168885470
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_10.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13935603897789407716
+          8892264918829181210
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_3.00pt_565.png": {
@@ -8122,24 +8098,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9345249611339520657
+          16504350712940808675
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_3.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8021207796907656221
+          15158300929098352114
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_7.00pt_565.png": {
@@ -8173,24 +8145,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16198601412212245953
+          8087136067051902309
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_7.00pt_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10211469716024294368
+          99267864134850576
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "fontcache_gpu.png": {