Bug 1022965 - Add test for loading memory reports that already have heap-unclassified defined. r=njn

--HG--
extra : rebase_source : a705ba428e4e487526f491ba0994adad26d1030c

toolkit/components/aboutmemory/tests/memory-reports-good.json

@@ -16,6 +16,10 @@
 
     {"process": "Main Process (pid NNN)", "path": "redundant/should-be-ignored", "kind": 1, "units": 0, "amount": 1024, "description": ""},
 
+    {"process": "Heap-unclassified process", "path": "heap-allocated", "kind": 2, "units": 0, "amount": 262144000, "description": "Heap allocated."},
+    {"process": "Heap-unclassified process", "path": "explicit/a/b", "kind": 1, "units": 0, "amount": 52428800, "description": "A b."},
+    {"process": "Heap-unclassified process", "path": "explicit/heap-unclassified", "kind": 1, "units": 0, "amount": 209715200, "description": "Heap unclassified"},
+
     {"process": "Explicit-only process", "path": "explicit/a/b", "kind": 1, "units": 0, "amount": 100000, "description": "A b."},
 
     {"process": "Other-only process", "path": "a/b", "kind": 1, "units": 0, "amount": 100000, "description": "A b."},

toolkit/components/aboutmemory/tests/test_aboutmemory3.xul

@@ -193,6 +193,18 @@ Explicit Allocations\n\
 Other Measurements\n\
 \n\
 End of Explicit-only process\n\
+Heap-unclassified process\n\
+Explicit Allocations\n\
+\n\
+262,144,000 B (100.0%) -- explicit\n\
+├──209,715,200 B (80.00%) ── heap-unclassified\n\
+└───52,428,800 B (20.00%) ── a/b\n\
+\n\
+Other Measurements\n\
+\n\
+262,144,000 B ── heap-allocated\n\
+\n\
+End of Heap-unclassified process\n\
 Main Process (pid NNN)\n\
 Explicit Allocations\n\
 \n\

toolkit/components/aboutmemory/tests/test_aboutmemory4.xul

@@ -100,6 +100,18 @@ Explicit Allocations\n\
 Other Measurements\n\
 \n\
 End of Explicit-only process\n\
+Heap-unclassified process\n\
+Explicit Allocations\n\
+\n\
+250.00 MB (100.0%) -- explicit\n\
+├──200.00 MB (80.00%) ── heap-unclassified\n\
+└───50.00 MB (20.00%) ── a/b\n\
+\n\
+Other Measurements\n\
+\n\
+250.00 MB ── heap-allocated\n\
+\n\
+End of Heap-unclassified process\n\
 Main Process (pid NNN)\n\
 Explicit Allocations\n\
 \n\