Cleanup: Remove a unused variable.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8351091

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108497 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 2 insertions, 6 deletions

diff --git a/content/browser/tab_contents/tab_contents_observer.cc b/content/browser/tab_contents/tab_contents_observer.cc
index 4400c5b..c18b1f3 100644
--- a/content/browser/tab_contents/tab_contents_observer.cc
+++ b/content/browser/tab_contents/tab_contents_observer.cc
@@ -104,12 +104,12 @@ void TabContentsObserver::AppCacheAccessed(const GURL& manifest_url,
 }
 
 TabContentsObserver::TabContentsObserver(TabContents* tab_contents)
-    : tab_contents_(NULL), routing_id_(MSG_ROUTING_NONE) {
+    : tab_contents_(NULL) {
   Observe(tab_contents);
 }
 
 TabContentsObserver::TabContentsObserver()
-    : tab_contents_(NULL), routing_id_(MSG_ROUTING_NONE) {
+    : tab_contents_(NULL) {
 }
 
 TabContentsObserver::~TabContentsObserver() {
@@ -122,7 +122,6 @@ void TabContentsObserver::Observe(TabContents* tab_contents) {
     tab_contents_->RemoveObserver(this);
   tab_contents_ = tab_contents;
   if (tab_contents_) {
-    routing_id_ = tab_contents->render_view_host()->routing_id();
     tab_contents_->AddObserver(this);
   }
 }
diff --git a/content/browser/tab_contents/tab_contents_observer.h b/content/browser/tab_contents/tab_contents_observer.h
index 112f67d..aed69ec 100644
--- a/content/browser/tab_contents/tab_contents_observer.h
+++ b/content/browser/tab_contents/tab_contents_observer.h
@@ -128,9 +128,6 @@ class CONTENT_EXPORT TabContentsObserver : public IPC::Channel::Listener,
 
   TabContents* tab_contents_;
 
-  // The routing ID of the associated TabContents.
-  int routing_id_;
-
   DISALLOW_COPY_AND_ASSIGN(TabContentsObserver);
 };