Auto merge of #13972 - shravan-achar:master, r=Manishearth,emilio,jdm

ImageMaps: Implemented support for parsing coord attribute to a shape…

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Image Maps: (Part 1) Implemented support for parsing coord attribute to a shape object.
                       Implemented a hit_test method to see if a point is within the area. Tests for constructors                      and hit_test included

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… object in HTMLAreaElement

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Cargo.lock

@@ -2364,6 +2364,7 @@ dependencies = [
 name = "script_tests"
 version = "0.0.1"
 dependencies = [
+ "euclid 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "plugins 0.0.1",
  "script 0.0.1",