Adds console renderer to merger backend.

tests/test_console_merger/linux_row_input.txt

Index: tests/test_console_merger/linux_row_input.txt
diff --git a/tests/test_console_merger/linux_row_input.txt b/tests/test_console_merger/linux_row_input.txt
index f72bf2ed8458ef5080f54bff4e4097a87e1ef002..33a473f3da25ae808df81cf7abfcbeba907d8952 100644
--- a/tests/test_console_merger/linux_row_input.txt
+++ b/tests/test_console_merger/linux_row_input.txt
@@ -1,13 +1,8 @@
 {
 'rev_number': '171895',
-'rev': """<td class='DevRev  DevRevCollapse' width="1%">
-<a href="http://src.chromium.org/viewvc/chrome?view=rev&revision=171895" target="_blank">171895</a>
-</td>""",
-'name': """<td class='DevName ' width="1%">
-danakj<span style="display:none">ohnoyoudont</span>@chromium.org
-</td>""",
-'status': """<td class='DevStatus  '>
-<table width="100%">
+'rev': """<a href="http://src.chromium.org/viewvc/chrome?view=rev&revision=171895" target="_blank">171895</a>""",
+'name': """danakj<span style="display:none">ohnoyoudont</span>@chromium.org""",
+'status': """<table width="100%">
 <tr>    
 <td class='DevStatusBox'>
 <a href='http://build.chromium.org/p/chromium.linux/buildstatus?builder=Linux%20Builder%20x64&number=64040'
@@ -88,12 +83,9 @@ target="_blank"></a>
 </td>
 
 </tr>
-</table>
-</td>""",
-'comment': """<tr>
-<td colspan="4" class='DevComment '> 
+</table>""",
+'comment': """ 
 cc: Add receiver for CompositorFrameAck in LayerTreeHostImpl and forward it to the renderer.<br/><br/>BUG=146080<br/>R=piman<br/><br/>Review URL: https://codereview.chromium.org/11472004
-</td>
-</tr>""",
+""",
 'details': ''
 }