Mark pdf filterbitmap images as failure ignored

expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json

Index: expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json
diff --git a/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json b/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json
index dab82bc8bd9784c3927a5c6e94bfac584a5a4119..925fe95b576e8f684f5796038ee8d52249be3f27 100644
--- a/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json
+++ b/expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release/expected-results.json
@@ -6448,24 +6448,20 @@
       "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": [
-        1759
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_2_565.png": {
@@ -6499,24 +6495,20 @@
       "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": [
-        1759
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_32_565.png": {
@@ -6550,12 +6542,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14772555000255909478
+          5526760430230048215
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_8_565.png": {
@@ -6589,24 +6579,20 @@
       "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": {
@@ -6640,12 +6626,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7496027349312390301
+          7655740957333808249
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_128.png_565.png": {
@@ -6679,24 +6663,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12286760565796831423
+          2885916487702105424
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_128.png_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10678043300980517376
+          16054585167106196589
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_16.png_565.png": {
@@ -6730,24 +6710,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16566101036783769408
+          10916543993841034652
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_16.png_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7114454600936092986
+          7689988985170890062
         ]
       ], 
-      "bugs": [
-        1759
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_256.png_565.png": {
@@ -6781,24 +6757,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15501457598356486465
+          18278098791032199026
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_256.png_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9832651185429404596
+          7941051532651737680
         ]
       ], 
-      "bugs": [
-        1759
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_32.png_565.png": {
@@ -6832,24 +6804,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12073259890764417665
+          17650674496006151815
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_32.png_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14734904395729797504
+          16229120767254198790
         ]
       ], 
-      "bugs": [
-        1759
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_512.png_565.png": {
@@ -6883,12 +6851,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6117726437623522705
+          9182303635754760038
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_64.png_565.png": {
@@ -6922,24 +6888,20 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17134516917004153668
+          9380175510244109692
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_64.png_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10946539273494856705
+          7221537163706489418
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_10.00pt_565.png": {