Update createImageData/getImageData/putImageData from float to long

third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html
index fa1766c49b58a5589c730327214e69185df40d52..0850db47cabd853875c60176f592b93852ccbb50 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html
@@ -4,34 +4,31 @@
 <script>
 test(function(t) {
     ctx = document.createElement('canvas').getContext('2d');
-    
+
     function testDimensions(sx, sy, sw, sh, width, height)
     {
         imageData = ctx.getImageData(sx, sy, sw, sh);
         assert_equals(imageData.width, width);
         assert_equals(imageData.height, height);
     }
-    
+
     // Basic integer values
     testDimensions(   0,  0,   20,  10,     20, 10);
-    
+
     // Source point is not an integer
-    testDimensions(  .1, .2,   20,  10,     21, 11);
-    testDimensions(  .9, .8,   20,  10,     21, 11);
-    
+    testDimensions(  .1, .2,   20,  10,     20, 10);
+    testDimensions(  .9, .8,   20,  10,     20, 10);
+
     // Size is not an integer
-    testDimensions(   0,  0, 19.9, 9.9,     20, 10);
-    testDimensions(   0,  0, 19.1, 9.1,     20, 10);
-    
-    // Width straddles a pixel boundary
-    testDimensions(  .9,  0,   .2,  10,      2, 10);
-    
+    testDimensions(   0,  0, 20.9, 10.9,     20, 10);
+    testDimensions(   0,  0, 20.1, 10.1,     20, 10);
+
     // Basic integer negative values
     testDimensions(  -1, -1,   20,  10,     20, 10);
-    
+
     // Non-integer negative values
-    testDimensions(-1.1,  0,   20,  10,     21, 10);
-    testDimensions(-1.9,  0,   20,  10,     21, 10);    
+    testDimensions(-1.1,  0,   20,  10,     20, 10);
+    testDimensions(-1.9,  0,   20,  10,     20, 10);
 }, 'Test the handling of non-integer source coordinates in getImageData().');
 </script>
 </body>