Adds a FakeToolbarModel for use in testing.

chrome/browser/ui/views/toolbar_view.cc

Index: chrome/browser/ui/views/toolbar_view.cc
diff --git a/chrome/browser/ui/views/toolbar_view.cc b/chrome/browser/ui/views/toolbar_view.cc
index dc4a2b372899e8b9224a68b6de29670c71e8fc55..d732f123c28ab54f97fca391cf3a00499b0d6928 100644
--- a/chrome/browser/ui/views/toolbar_view.cc
+++ b/chrome/browser/ui/views/toolbar_view.cc
@@ -521,9 +521,9 @@ PageActionImageView* ToolbarView::CreatePageActionImageView(
 
 void ToolbarView::OnInputInProgress(bool in_progress) {
   // The edit should make sure we're only notified when something changes.
-  DCHECK(model_->input_in_progress() != in_progress);
+  DCHECK(model_->GetInputInProgress() != in_progress);
 
-  model_->set_input_in_progress(in_progress);
+  model_->SetInputInProgress(in_progress);
   location_bar_->Update(NULL);
 }