Reland after fix: Improve <webview> autosize:

chrome/test/data/extensions/platform_apps/web_view/shim/main.js

Index: chrome/test/data/extensions/platform_apps/web_view/shim/main.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/shim/main.js b/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
index c3d0eae03edcb93187c37c2f1c36d65e7bb1a084..5edab6fff041b3844d46e3c6ee305e9331fabf09 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
@@ -170,36 +170,30 @@ function testAutosizeWithPartialAttributes() {
 
   var step = 1;
   var sizeChangeHandler = function(e) {
+    window.console.log('sizeChangeHandler, new: ' +
+                       e.newWidth + ' X ' + e.newHeight);
     switch (step) {
       case 1:
         // Expect 300x200.
         embedder.test.assertEq(300, e.newWidth);
         embedder.test.assertEq(200, e.newHeight);
 
-        // Remove an autosize attribute and verify that it causes relayout.
-        webview.minwidth = null;
+        // Change the min size to cause a relayout.
+        webview.minwidth = 500;
         break;
       case 2:
-        // Expect 640x?
-        embedder.test.assertEq(640, e.newWidth);
+        embedder.test.assertTrue(e.newWidth >= webview.minwidth);
+        embedder.test.assertTrue(e.newWidth <= webview.maxwidth);
 
         // Tests when minwidth > maxwidth, minwidth = maxwidth.
-        webview.maxheight = null;
+        // i.e. minwidth is essentially 700.
         webview.minwidth = 800;
-        webview.minheight = 800;
         break;
       case 3:
-        // Expect 700X480
+        // Expect 700X?
         embedder.test.assertEq(700, e.newWidth);
-        embedder.test.assertEq(480, e.newHeight);
-
-        // Remove maxwidth and make sure the size returns to plugin size.
-        webview.removeAttribute('maxwidth');
-        break;
-      case 4:
-        // Expect original size, 640x480.
-        embedder.test.assertEq(640, e.newWidth);
-        embedder.test.assertEq(480, e.newHeight);
+        embedder.test.assertTrue(e.newHeight >= 200);
+        embedder.test.assertTrue(e.newHeight <= 600);
 
         embedder.test.succeed();
         break;