Re-factor location bar/toolbar code to get rid of the browser dependency.

chrome/browser/ui/toolbar/toolbar_model.cc

Index: chrome/browser/ui/toolbar/toolbar_model.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_model.cc b/chrome/browser/ui/toolbar/toolbar_model.cc
index ef9d04497c9bfd0c3323f51e5b90b16a9b5d68c9..531aab021b07fd61bcb655820e6ba1fbd6937050 100644
--- a/chrome/browser/ui/toolbar/toolbar_model.cc
+++ b/chrome/browser/ui/toolbar/toolbar_model.cc
@@ -10,7 +10,7 @@
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ssl/ssl_error_info.h"
-#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/toolbar/toolbar_model_host.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
@@ -32,8 +32,8 @@ using content::NavigationEntry;
 using content::SSLStatus;
 using content::WebContents;
 
-ToolbarModel::ToolbarModel(Browser* browser)
-    : browser_(browser),
+ToolbarModel::ToolbarModel(ToolbarModelHost* host)
+    : host_(host),
       input_in_progress_(false) {
 }
 
@@ -84,7 +84,7 @@ bool ToolbarModel::ShouldDisplayURL() const {
     }
   }
 
-  WebContents* web_contents = browser_->GetSelectedWebContents();
+  WebContents* web_contents = host_->GetActiveWebContents();
   if (web_contents && web_contents->GetWebUIForCurrentState())
     return !web_contents->GetWebUIForCurrentState()->ShouldHideURL();
 
@@ -174,6 +174,6 @@ NavigationController* ToolbarModel::GetNavigationController() const {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
-  WebContents* current_tab = browser_->GetSelectedWebContents();
+  WebContents* current_tab = host_->GetActiveWebContents();
   return current_tab ? &current_tab->GetController() : NULL;
 }