Move background/webkit-mask shorthands into CSSPropertyParser

third_party/WebKit/LayoutTests/inspector/elements/styles-4/styles-new-API-expected.txt

 Tests that InspectorCSSAgent API methods work as expected.
 
 H1
 
 
 Running: test_styles
 
 === Computed style property count for body ===
 OK
 
@@ skipping 22 matching lines @@
     ['color':'yellow'] @[17:4-17:18] 
     ['color':'"badcolor" ! important /* good property with strange value */' is-important non-parsed] @[18:4-18:73] 
 }
 body.main1: [regular, 21:29-21:67] {
     ['color':'#F00BAA'] @[21:81-21:96] 
     ['zoo':'moo /* not an !important unrecognized property */' non-parsed] @[21:96-21:149] 
 }
 body.main2: [regular, 23:0-23:10] {
     ['background':'green /* value !important comment */ !important /* no semicolon, very !important */' is-important] @[23:11-23:106] 
     ['background-image':'initial' is-important] @[undefined-undefined] 
+    ['background-position-x':'initial' is-important] @[undefined-undefined] 
+    ['background-position-y':'initial' is-important] @[undefined-undefined] 
+    ['background-size':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-x':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-y':'initial' is-important] @[undefined-undefined] 
     ['background-attachment':'initial' is-important] @[undefined-undefined] 
-    ['background-position-x':'initial' is-important] @[undefined-undefined] 
-    ['background-position-y':'initial' is-important] @[undefined-undefined] 
     ['background-origin':'initial' is-important] @[undefined-undefined] 
     ['background-clip':'initial' is-important] @[undefined-undefined] 
     ['background-color':'green' is-important] @[undefined-undefined] 
-    ['background-size':'initial' is-important] @[undefined-undefined] 
 }
 body.mainpage: [regular, 3:0-3:13] {
     ['text-decoration':'none'] @[4:4-4:26] 
     ['badproperty':'1badvalue1' non-parsed] @[5:5-5:29] 
     ['text-decoration-line':'none'] @[undefined-undefined] 
     ['text-decoration-style':'initial'] @[undefined-undefined] 
     ['text-decoration-color':'initial'] @[undefined-undefined] 
 }
 body.mainpage: [regular, 8:0-8:13] {
     ['prop1':'val1' non-parsed] @[9:4-9:16] 
@@ skipping 47 matching lines @@
     ['color':'yellow'] @[17:4-17:18] 
     ['color':'"badcolor" ! important /* good property with strange value */' is-important non-parsed] @[18:4-18:73] 
 }
 body.main1: [regular, 21:29-21:67] {
     ['color':'#F00BAA'] @[21:81-21:96] 
     ['zoo':'moo /* not an !important unrecognized property */' non-parsed] @[21:96-21:149] 
 }
 body.main2: [regular, 23:0-23:10] {
     ['background':'green /* value !important comment */ !important /* no semicolon, very !important */' is-important] @[23:11-23:106] 
     ['background-image':'initial' is-important] @[undefined-undefined] 
+    ['background-position-x':'initial' is-important] @[undefined-undefined] 
+    ['background-position-y':'initial' is-important] @[undefined-undefined] 
+    ['background-size':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-x':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-y':'initial' is-important] @[undefined-undefined] 
     ['background-attachment':'initial' is-important] @[undefined-undefined] 
-    ['background-position-x':'initial' is-important] @[undefined-undefined] 
-    ['background-position-y':'initial' is-important] @[undefined-undefined] 
     ['background-origin':'initial' is-important] @[undefined-undefined] 
     ['background-clip':'initial' is-important] @[undefined-undefined] 
     ['background-color':'green' is-important] @[undefined-undefined] 
-    ['background-size':'initial' is-important] @[undefined-undefined] 
 }
 body.mainpage: [regular, 3:0-3:13] {
     ['text-decoration':'none'] @[4:4-4:26] 
     ['badproperty':'1badvalue1' non-parsed] @[5:5-5:29] 
     ['text-decoration-line':'none'] @[undefined-undefined] 
     ['text-decoration-style':'initial'] @[undefined-undefined] 
     ['text-decoration-color':'initial'] @[undefined-undefined] 
 }
 body.mainpage: [regular, 8:0-8:13] {
     ['prop1':'val1' non-parsed] @[9:4-9:16] 
@@ skipping 49 matching lines @@
 body: [inspector, 0:0-0:4] {
     ['font-family':'serif'] @[0:6-0:25] 
 }
 body.main1: [regular, 21:29-21:67] {
     ['color':'#F00BAA'] @[21:81-21:96] 
     ['zoo':'moo /* not an !important unrecognized property */' non-parsed] @[21:96-21:149] 
 }
 body.main2: [regular, 23:0-23:10] {
     ['background':'green /* value !important comment */ !important /* no semicolon, very !important */' is-important] @[23:11-23:106] 
     ['background-image':'initial' is-important] @[undefined-undefined] 
+    ['background-position-x':'initial' is-important] @[undefined-undefined] 
+    ['background-position-y':'initial' is-important] @[undefined-undefined] 
+    ['background-size':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-x':'initial' is-important] @[undefined-undefined] 
     ['background-repeat-y':'initial' is-important] @[undefined-undefined] 
     ['background-attachment':'initial' is-important] @[undefined-undefined] 
-    ['background-position-x':'initial' is-important] @[undefined-undefined] 
-    ['background-position-y':'initial' is-important] @[undefined-undefined] 
     ['background-origin':'initial' is-important] @[undefined-undefined] 
     ['background-clip':'initial' is-important] @[undefined-undefined] 
     ['background-color':'green' is-important] @[undefined-undefined] 
-    ['background-size':'initial' is-important] @[undefined-undefined] 
 }
 body.mainpage: [regular, 3:0-3:13] {
     ['text-decoration':'none'] @[4:4-4:26] 
     ['badproperty':'1badvalue1' non-parsed] @[5:5-5:29] 
     ['text-decoration-line':'none'] @[undefined-undefined] 
     ['text-decoration-style':'initial'] @[undefined-undefined] 
     ['text-decoration-color':'initial'] @[undefined-undefined] 
 }
 body.mainpage: [regular, 8:0-8:13] {
     ['prop1':'val1' non-parsed] @[9:4-9:16] 
     ['prop2':'val2' non-parsed] @[10:4-10:16] 
 }
 body:hover: [regular, 13:0-13:10] {
     ['color':'#CDE'] @[14:2-14:14] 
 }