Ensure we never remove the style attribute when syncing it from CSSOM.

third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js

Index: third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js
diff --git a/third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js b/third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js
index 74a774c90d94c5caa56f94e8f34e2034946c40ea..0187346a263468fdc4ef0bf80a66d9d61a653550 100644
--- a/third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js
+++ b/third_party/WebKit/LayoutTests/editing/style/script-tests/push-down-font-styles-mac.js
@@ -58,27 +58,27 @@ testSingleToggle("fontsize", 2, selectAll, 'hello world', '<font size="2">hello
 testSingleToggle("fontsize", 4, selectAll, 'hello world', '<font size="4">hello world</font>');
 testSingleToggle("fontsize", 5, selectFirstWord, 'hello world', '<font size="5">hello</font> world');
 testSingleToggle("fontsize", 3, selectFirstWord, '<font size="7">hello <div>world</div></font>', 'hello <div style="font-size: -webkit-xxx-large;">world</div>');
-testSingleToggle("fontsize", 3, selectFirstWord, '<font size="7"><div>hello</div><div>world</div></font>', '<div>hello</div><div style="font-size: -webkit-xxx-large;">world</div>');
+testSingleToggle("fontsize", 3, selectFirstWord, '<font size="7"><div>hello</div><div>world</div></font>', '<div style="">hello</div><div style="font-size: -webkit-xxx-large;">world</div>');
 testSingleToggle("fontsize", 3, selectSecondWord, '<font size="7"><div>hello</div>world</font>', '<div style="font-size: -webkit-xxx-large;">hello</div>world');
 
 testSingleToggle("fontsize", 7, selectAll, '<font size="7"><div>hello</div>world</font>', '<font size="7"><div>hello</div>world</font>');
-testSingleToggle("fontsize", 7, selectAll, '<font size="3"><div>hello</div>world</font>', '<div><font size="7">hello</font></div><font size="7">world</font>');
-testSingleToggle("fontsize", 6, selectAll, '<font size="7"><div>hello</div>world</font>', '<div><font size="6">hello</font></div><font size="6">world</font>');
-testSingleToggle("fontsize", 5, selectAll, '<font size="7"><div>hello</div>world</font>', '<div><font size="5">hello</font></div><font size="5">world</font>');
-testSingleToggle("fontsize", 3, selectAll, '<font size="7"><div>hello</div>world</font>', '<div>hello</div>world');
+testSingleToggle("fontsize", 7, selectAll, '<font size="3"><div>hello</div>world</font>', '<div style=""><font size="7">hello</font></div><font size="7">world</font>');
+testSingleToggle("fontsize", 6, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style=""><font size="6">hello</font></div><font size="6">world</font>');
+testSingleToggle("fontsize", 5, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style=""><font size="5">hello</font></div><font size="5">world</font>');
+testSingleToggle("fontsize", 3, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style="">hello</div>world');
 testSingleToggle("fontsize", 3, selectAll, '<font size="3"><div>hello</div>world</font>', '<font size="3"><div>hello</div>world</font>');
-testSingleToggle("fontsize", 1, selectAll, '<font size="3"><div>hello</div>world</font>', '<div><font size="1">hello</font></div><font size="1">world</font>');
+testSingleToggle("fontsize", 1, selectAll, '<font size="3"><div>hello</div>world</font>', '<div style=""><font size="1">hello</font></div><font size="1">world</font>');
 
 debug("");
 debug("Font size (with CSS)");
 styleWithCSS = true;
 testSingleToggle("fontsize", 7, selectAll, '<font size="7"><div>hello</div>world</font>', '<font size="7"><div>hello</div>world</font>');
-testSingleToggle("fontsize", 7, selectAll, '<font size="3"><div>hello</div>world</font>', '<div><span style="font-size: -webkit-xxx-large;">hello</span></div><span style="font-size: -webkit-xxx-large;">world</span>');
-testSingleToggle("fontsize", 6, selectAll, '<font size="7"><div>hello</div>world</font>', '<div><span style="font-size: xx-large;">hello</span></div><span style="font-size: xx-large;">world</span>');
-testSingleToggle("fontsize", 5, selectAll, '<font size="7"><div>hello</div>world</font>', '<div><span style="font-size: x-large;">hello</span></div><span style="font-size: x-large;">world</span>');
-testSingleToggle("fontsize", 3, selectAll, '<font size="7"><div>hello</div>world</font>', '<div>hello</div>world');
+testSingleToggle("fontsize", 7, selectAll, '<font size="3"><div>hello</div>world</font>', '<div style=""><span style="font-size: -webkit-xxx-large;">hello</span></div><span style="font-size: -webkit-xxx-large;">world</span>');
+testSingleToggle("fontsize", 6, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style=""><span style="font-size: xx-large;">hello</span></div><span style="font-size: xx-large;">world</span>');
+testSingleToggle("fontsize", 5, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style=""><span style="font-size: x-large;">hello</span></div><span style="font-size: x-large;">world</span>');
+testSingleToggle("fontsize", 3, selectAll, '<font size="7"><div>hello</div>world</font>', '<div style="">hello</div>world');
 testSingleToggle("fontsize", 3, selectAll, '<font size="3"><div>hello</div>world</font>', '<font size="3"><div>hello</div>world</font>');
-testSingleToggle("fontsize", 1, selectAll, '<font size="3"><div>hello</div>world</font>', '<div><span style="font-size: x-small;">hello</span></div><span style="font-size: x-small;">world</span>');
+testSingleToggle("fontsize", 1, selectAll, '<font size="3"><div>hello</div>world</font>', '<div style=""><span style="font-size: x-small;">hello</span></div><span style="font-size: x-small;">world</span>');
 
 debug("");
 debug("Font family");
@@ -86,7 +86,7 @@ styleWithCSS = false;
 testSingleToggle("fontname", "Arial", selectAll, 'hello world', '<font face="Arial">hello world</font>');
 testSingleToggle("fontname", "Arial", selectFirstWord, '<font face="sans-serif">hello world</font>', '<font face="Arial">hello</font><font face="sans-serif"> world</font>');
 testSingleToggle("fontname", "Arial", selectFirstWord, '<font face="sans-serif">hello<div>world</div></font>', '<font face="Arial">hello</font><div style="font-family: sans-serif;">world</div>');
-testSingleToggle("fontname", "Arial", selectSecondWord, '<font face="sans-serif">hello<div>world</div></font>', '<font face="sans-serif">hello</font><div><font face="Arial">world</font></div>');
+testSingleToggle("fontname", "Arial", selectSecondWord, '<font face="sans-serif">hello<div>world</div></font>', '<font face="sans-serif">hello</font><div style=""><font face="Arial">world</font></div>');
 testSingleToggle("fontname", "Sans-Serif", selectAll, '<font face="sans-serif"><div>hello</div><div>world</div></font>', '<font face="sans-serif"><div>hello</div><div>world</div></font>');
 testSingleToggle("fontname", "Arial", selectAll, '<font face="sans-serif"><div>hello</div><div>world</div></font>', '<div><font face="Arial">hello</font></div><div><font face="Arial">world</font></div>');
 
@@ -96,9 +96,9 @@ styleWithCSS = true;
 testSingleToggle("fontname", "Arial", selectAll, 'hello world', '<span style="font-family: Arial;">hello world</span>');
 testSingleToggle("fontname", "Arial", selectFirstWord, '<font face="sans-serif">hello world</font>', '<span style="font-family: Arial;">hello</span><font face="sans-serif"> world</font>');
 testSingleToggle("fontname", "Arial", selectFirstWord, '<font face="sans-serif">hello<div>world</div></font>', '<span style="font-family: Arial;">hello</span><div style="font-family: sans-serif;">world</div>');
-testSingleToggle("fontname", "Arial", selectSecondWord, '<font face="sans-serif">hello<div>world</div></font>', '<span style="font-family: sans-serif;">hello</span><div><span style="font-family: Arial;">world</span></div>');
+testSingleToggle("fontname", "Arial", selectSecondWord, '<font face="sans-serif">hello<div>world</div></font>', '<span style="font-family: sans-serif;">hello</span><div style=""><span style="font-family: Arial;">world</span></div>');
 testSingleToggle("fontname", "Sans-Serif", selectAll, '<font face="sans-serif"><div>hello</div><div>world</div></font>', '<font face="sans-serif"><div>hello</div><div>world</div></font>');
-testSingleToggle("fontname", "Arial", selectAll, '<font face="sans-serif"><div>hello</div><div>world</div></font>', '<div><span style="font-family: Arial;">hello</span></div><div><span style="font-family: Arial;">world</span></div>');
+testSingleToggle("fontname", "Arial", selectAll, '<font face="sans-serif"><div>hello</div><div>world</div></font>', '<div><span style="font-family: Arial;">hello</span></div><div style=""><span style="font-family: Arial;">world</span></div>');
 
 document.body.removeChild(testContainer);