LayoutTests/fast/borders/border-fit.html

<style>
body {
	font-family: Helvetica, sans-serif;
	font-size: 12px;
}

div {
//	outline: 1px solid red;
}

.message {
	position: relative;
	vertical-align: bottom;
	min-height: 32px;
}

.message.left {
    margin-right: 44px;
    text-align: left;
}

.message.left .bubble {
    margin-left: 36px;
}

.message.right {
    margin-left: 44px;
    text-align: right;
}

.message.right .bubble {
    margin-right: 36px;
    text-align: right;
}

.message.left .icon {
	left: 0;
}

.message.right .icon {
	right: 0;
}

.message + .message {
	margin-top: 4px;
}

.icon {
	-webkit-user-select: none;
	position: absolute;
	bottom: 0;
}

.icon.default {
    content: url(resources/largePerson.png);
}

.bubble {
    display: inline-block;
    border-color: transparent;
    border-style: solid;
    -webkit-box-sizing: border-box;
    -webkit-border-fit: lines;
}

.message.left .bubble {
    border-width: 10px 10px 10px 18px;
    -webkit-border-image: url(resources/Balloon_12641896.tiff) 10 10 10 18;
}

.message.right .bubble {
    border-width: 10px 18px 10px 10px;
    -webkit-border-image: url(resources/Balloon_8107502.tiff) 10 18 10 10;
}

.bubble .content {
    margin: -5px 0 -4px 0;
}
</style>

<div class="message left">
<img class="icon default">
<div class="bubble"><div class="content">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec ac odio. Fusce facilisis. Praesent eleifend dapibus mi. Proin nulla nulla, hendrerit vitae, condimentum non, iaculis sed, sem. Aliquam a turpis nec ante elementum dignissim. Suspendisse potenti. Suspendisse potenti.</div></div>
</div>

<div class="message right">
<img class="icon default">
<div class="bubble"><div class="content">Aliquam a turpis nec ante elementum dignissim. Suspendisse potenti.</div></div>
</div>

<div class="message left">
<img class="icon default">
<div class="bubble"><div class="content">Lorem ipsum dolor sit amet.</div></div>
</div>

<div class="message right">
<img class="icon default">
<div class="bubble"><div class="content"><div style="display:inline-block; width:100%; height:100px;background-color:#eeeeee">Look at me, I'm an attachment!</div> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec ac odio. Fusce facilisis. Praesent eleifend dapibus mi. Proin nulla nulla, hendrerit vitae, condimentum non, iaculis sed, sem. Aliquam a turpis nec ante elementum dignissim. Suspendisse potenti. Suspendisse potenti.</div></div>
</div>