Add activity recording capability to gcm internals page. User can refresh, start/stop recording, an…

chrome/browser/resources/gcm_internals.css

Index: chrome/browser/resources/gcm_internals.css
diff --git a/chrome/browser/resources/gcm_internals.css b/chrome/browser/resources/gcm_internals.css
index 98b35444eb2bcb196fc4ea5653d1db96b7c726e0..a50a31b1b4839bb0ca695f44cf3cb0464c6affe9 100644
--- a/chrome/browser/resources/gcm_internals.css
+++ b/chrome/browser/resources/gcm_internals.css
@@ -12,6 +12,12 @@ td {
   padding: 4px;
 }
 
+.info-heading {
+  background-color: rgb(160, 160, 125);
+  color: rgb(255, 255, 255);
+  font-weight: bold;
+}
+
 .row-caption {
   font-weight: bold;
   padding-right: 10px;
@@ -21,3 +27,7 @@ td {
 .odd-number-row {
   background-color: rgb(245, 245, 200);
 }
+
+.log-table {
+  padding: 4px;
+}