Merge pull request #3888 from dholbert/master

[resize-observer-1] Fix some observedBox terminology issues

Author: gregwhitworth

resize-observer-1/Overview.bs

@@ -261,10 +261,10 @@ interface ResizeObserverEntry {
         2. Set |this|.{{ResizeObserverEntry/target}} slot to |target|.
 
         3. Set |this|.{{ResizeObserverEntry/borderBoxSize}} slot to result of <a href="#calculate-box-size">
-            computing size given |target| and specificSize of "border-box"</a>.
+            computing size given |target| and observedBox of "border-box"</a>.
 
         4. Set |this|.{{ResizeObserverEntry/contentBoxSize}} slot to result of <a href="#calculate-box-size">
-            computing size given |target| and specificSize of "content-box"</a>.
+            computing size given |target| and observedBox of "content-box"</a>.
 
         5. Set |this|.{{ResizeObserverEntry/contentRect}} to logical |this|.{{ResizeObserverEntry/contentBoxSize}}.
 
@@ -478,14 +478,14 @@ To <dfn>calculate depth for node</dfn>, given a |node|, run these steps:
 
     2. Return number of nodes in |p|.
 
-<h4 id="calculate-box-size">Calculate box size, given target and specific size</h4>
+<h4 id="calculate-box-size">Calculate box size, given target and observed box</h4>
 
-This algorithm computes |target| {{Element}}'s specific size. Type of size is
+This algorithm computes |target| {{Element}}'s observed box size. Type of box is
 described by {{ResizeObserverBoxOptions}}.
 SVG Elements are an exception. SVG size is always its bounding box size, because SVG
 elements do not use standard CSS box model.
 
-To <dfn>calculate box size</dfn>, given |target| and |specificSize|, run these steps:
+To <dfn>calculate box size</dfn>, given |target| and |observedBox|, run these steps:
 
     1. If |target| is an {{SVGGraphicsElement}}
 
@@ -495,13 +495,13 @@ To <dfn>calculate box size</dfn>, given |target| and |specificSize|, run these s
 
     2. If |target| is not an {{SVGGraphicsElement}}
 
-        1. If |specificSize| is "bounding-box"
+        1. If |observedBox| is "border-box"
 
             1. Set |computedSize|.inlineSize to target's <a>border area</a> inline length.
 
             2. Set |computedSize|.blockSize to target's <a>border area</a> block length.
 
-        2. If |specificSize| is "content-box"
+        2. If |observedBox| is "content-box"
 
             1. Set |computedSize|.inlineSize to target's <a>content area</a> inline length.