Make wide logs an option in task-page

appengine/swarming/ui/res/imp/taskpage/task-page.html

Index: appengine/swarming/ui/res/imp/taskpage/task-page.html
diff --git a/appengine/swarming/ui/res/imp/taskpage/task-page.html b/appengine/swarming/ui/res/imp/taskpage/task-page.html
index 8136bcead7594c620eecd0dde33e62e767b71c05..a7b4f5bb530e8eb3965f4ba1ec8050f179f1a155 100644
--- a/appengine/swarming/ui/res/imp/taskpage/task-page.html
+++ b/appengine/swarming/ui/res/imp/taskpage/task-page.html
@@ -27,6 +27,7 @@
 <link rel="import" href="/res/imp/bower_components/iron-icon/iron-icon.html">
 <link rel="import" href="/res/imp/bower_components/iron-icons/iron-icons.html">
 <link rel="import" href="/res/imp/bower_components/paper-button/paper-button.html">
+<link rel="import" href="/res/imp/bower_components/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="/res/imp/bower_components/paper-dialog/paper-dialog.html">
 <link rel="import" href="/res/imp/bower_components/paper-input/paper-input.html">
 <link rel="import" href="/res/imp/bower_components/paper-tabs/paper-tabs.html">
@@ -72,9 +73,13 @@
       }
 
       .stdout {
-        white-space: pre-line;
+        white-space: pre-wrap;
         padding: 2px;
       }
+      .stdout.wide {
+        white-space: pre;
+        overflow-x: auto
+      }
 
       .refresh_input {
         padding: 0 5px;
@@ -103,6 +108,21 @@
         font-weight: bold;
         margin-left: 8px;
       }
+
+      .full-width {
+        min-width: 100%;
+      }
+
+      .full-width-container {
+        position: relative;
+      }
+
+      .full-width-container > paper-checkbox {
+        position: absolute;
+        bottom: 10px;
+        width: 140px;
+        left: 5px;
+      }
     </style>
 
     <url-param name="id"
@@ -117,6 +137,9 @@
     <url-param name="show_raw"
       value="{{_show_raw}}">
     </url-param>
+    <url-param name="wide_logs"
+      value="{{_wide_logs}}">
+    </url-param>
     <url-param name="refresh"
       value="{{_refresh_interval}}"
       default_value="10">
@@ -500,7 +523,7 @@
             </div>
           </div>
 
-          <div class="flex right" hidden$="[[_not(_task_exists)]]">
+          <div class$="[[_classRight(_wide_logs)]]" hidden$="[[_not(_task_exists)]]">

[stephana, 2017/02/03 14:57:09]

Nit: the constant classes should be in the markup rather than the JS. 
i.e. 

... class$="flex right [[_classRight(_wide_logs)]]" ...

same for _classStdout.

[kjlubick, 2017/02/03 16:25:25]

Done.

             <div class="horizontal layout">
               <div class="tabs">
                 <paper-tabs selected="{{_show_raw}}" no-bar>
@@ -519,6 +542,13 @@
                 max="1000"
                 pattern="[0-9]+">
               </paper-input>
+
+              <div class="full-width-container">
+                <paper-checkbox checked="{{_wide_logs}}">
+                    Full Width Logs
+                </paper-checkbox>
+              </div>
+
             </div>
 
             <template is="dom-if" if="[[_supportsMilo(_request,_show_raw)]]">
@@ -528,7 +558,7 @@
               <iframe id="miloFrame" class="milo tabbed" src$="[[_getDisplayServerLink(_server_details.display_server_url_template,task_id)]]"></iframe>
             </template>
             <template is="dom-if" if="[[_show_raw]]">
-              <div class="code stdout tabbed break-all">[[_rawOutput(_stdout,_result)]]</div>
+              <div class$="[[_classStdout(_wide_logs)]]">[[_rawOutput(_stdout,_result)]]</div>
             </template>
           </div>
         </div>
@@ -657,6 +687,22 @@
         return packages;
       },
 
+      _classRight: function(wide_logs) {
+        var classes = "flex right";
+        if (wide_logs) {
+          classes += " full-width";
+        }
+        return classes;
+      },
+
+      _classStdout: function(wide_logs) {
+        var classes= "code stdout tabbed break-all";
+         if (wide_logs) {
+          classes += " wide";
+        }
+        return classes;
+      },
+
       _command: function(request) {
         if (!request || !request.properties) {
           return "";