bug 1333607 - fix some plugin tests to work on high dpi machines r=jimm

dom/plugins/test/mochitest/test_bug1092842.html

@@ -34,8 +34,9 @@
 
   function doTest() {
     is(p.getClipRegionRectCount(), 1, "getClipRegionRectCount should be a single rect");
-    is(p.getClipRegionRectEdge(0,2) - p.getClipRegionRectEdge(0,0), 100, "width of clip region rect");
-    is(p.getClipRegionRectEdge(0,3) - p.getClipRegionRectEdge(0,1), 26, "height of clip region rect");
+    var dpr = window.devicePixelRatio;
+    is(p.getClipRegionRectEdge(0,2) - p.getClipRegionRectEdge(0,0), 100 * dpr, "width of clip region rect");
+    is(p.getClipRegionRectEdge(0,3) - p.getClipRegionRectEdge(0,1), 26 * dpr, "height of clip region rect");
   }
   </script>
 

dom/plugins/test/mochitest/test_bug539565-1.html

@@ -40,10 +40,11 @@ function runTests() {
   function verify(test,x,y,next) {
     var p = $("plugin1").getLastMouseX();
     const delta = 2;
-    ok(p-delta <= x && x <= p+delta, "test"+test+" LastMouseX got " + p + " expected " + x + 
+    var dpr = window.devicePixelRatio / SpecialPowers.getFullZoom(window);
+    ok(p-delta <= x * dpr && x * dpr <= p+delta, "test"+test+" LastMouseX got " + p + " expected " + x + 
                                      " with fullZoom="+SpecialPowers.getFullZoom(window)+" MozTransform='"+$("container").style.MozTransform+"'");
     p = $("plugin1").getLastMouseY();
-    ok(p-delta <= y && y <= p+delta, "test"+test+" LastMouseY got " + p + " expected " + y +
+    ok(p-delta <= y * dpr && y * dpr <= p+delta, "test"+test+" LastMouseY got " + p + " expected " + y +
                                      " with fullZoom="+SpecialPowers.getFullZoom(window)+" MozTransform='"+$("container").style.MozTransform+"'");
     if (next) next();
   }

dom/plugins/test/mochitest/test_bug539565-2.html

@@ -40,10 +40,11 @@ function runTests() {
   function verify(test,x,y,next) {
     var p = $("plugin1").getLastMouseX();
     const delta = 2;
-    ok(p-delta <= x && x <= p+delta, "test"+test+" LastMouseX got " + p + " expected " + x + 
+    var dpr = window.devicePixelRatio / SpecialPowers.getFullZoom(window);
+    ok(p-delta <= x * dpr && x * dpr <= p+delta, "test"+test+" LastMouseX got " + p + " expected " + x + 
                                      " with fullZoom="+SpecialPowers.getFullZoom(window)+" MozTransform='"+$("container").style.MozTransform+"'");
     p = $("plugin1").getLastMouseY();
-    ok(p-delta <= y && y <= p+delta, "test"+test+" LastMouseY got " + p + " expected " + y +
+    ok(p-delta <= y * dpr && y * dpr <= p+delta, "test"+test+" LastMouseY got " + p + " expected " + y +
                                      " with fullZoom="+SpecialPowers.getFullZoom(window)+" MozTransform='"+$("container").style.MozTransform+"'");
     if (next) next();
   }

dom/plugins/test/mochitest/test_zero_opacity.html

@@ -34,11 +34,12 @@
 
   function doTest() {
     is(p.getClipRegionRectCount(), 1, "getClipRegionRectCount should be a single rect");
-    is(p.getClipRegionRectEdge(0,2) - p.getClipRegionRectEdge(0,0), 100, "width of clip region rect");
-    is(p.getClipRegionRectEdge(0,3) - p.getClipRegionRectEdge(0,1), 50, "height of clip region rect");
+    var dpr = window.devicePixelRatio;
+    is(p.getClipRegionRectEdge(0,2) - p.getClipRegionRectEdge(0,0), 100 * dpr, "width of clip region rect");
+    is(p.getClipRegionRectEdge(0,3) - p.getClipRegionRectEdge(0,1), 50 * dpr, "height of clip region rect");
   }
   </script>
 
   <p id="display"></p>
 
-  <embed id="theplugin" type="application/x-test" width="100" height="50" style="opacity:0" wmode="window"></embed>
+  <embed id="theplugin" type="application/x-test" width="100" height="50" style="opacity:0" wmode="window"></embed>