Adds console renderer to merger backend.

tests/test_console_merger/mac_row_input.txt

Index: tests/test_console_merger/mac_row_input.txt
diff --git a/tests/test_console_merger/mac_row_input.txt b/tests/test_console_merger/mac_row_input.txt
index 959af177f2964a4a4cd32e68381c7bc236fcfa5e..7054062165930be23052f1f62e7546e801199c24 100644
--- a/tests/test_console_merger/mac_row_input.txt
+++ b/tests/test_console_merger/mac_row_input.txt
@@ -1,12 +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  DevStatusCollapse'>
+'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'>
@@ -107,11 +103,9 @@ target="_blank"></a>
 
 </tr>
 </table>
-</td>""",
-'comment': """<tr>
-<td colspan="3" class='DevComment '> 
+""",
+'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': ''
 }