extensions: Add ExtensionView interface.

chrome/browser/ui/views/extensions/extension_dialog.cc

Index: chrome/browser/ui/views/extensions/extension_dialog.cc
diff --git a/chrome/browser/ui/views/extensions/extension_dialog.cc b/chrome/browser/ui/views/extensions/extension_dialog.cc
index b73427b14f7043608f3f54709b665295f38fda97..c1128494cb16e6997bf82ebfbf6b1a5c5bd787d6 100644
--- a/chrome/browser/ui/views/extensions/extension_dialog.cc
+++ b/chrome/browser/ui/views/extensions/extension_dialog.cc
@@ -31,6 +31,7 @@ ExtensionDialog::ExtensionDialog(extensions::ExtensionHost* host,
                                  ExtensionDialogObserver* observer)
     : window_(NULL),
       extension_host_(host),
+      view_(static_cast<ExtensionViewViews*>(host->GetExtensionView())),
       observer_(observer) {
   AddRef();  // Balanced in DeleteDelegate();
 
@@ -103,9 +104,9 @@ ExtensionDialog* ExtensionDialog::ShowInternal(
 
   // Show a white background while the extension loads.  This is prettier than
   // flashing a black unfilled window frame.
-  host->view()->set_background(
+  view_->set_background(
       views::Background::CreateSolidBackground(0xFF, 0xFF, 0xFF));
-  host->view()->SetVisible(true);
+  view_->SetVisible(true);
 
   // Ensure the DOM JavaScript can respond immediately to keyboard shortcuts.
   host->host_contents()->Focus();
@@ -211,11 +212,11 @@ void ExtensionDialog::MaybeFocusRenderView() {
 
 bool ExtensionDialog::CanResize() const {
   // Can resize only if minimum contents size set.
-  return extension_host_->view()->GetPreferredSize() != gfx::Size();
+  return view_->GetPreferredSize() != gfx::Size();
 }
 
 void ExtensionDialog::SetMinimumContentsSize(int width, int height) {
-  extension_host_->view()->SetPreferredSize(gfx::Size(width, height));
+  view_->SetPreferredSize(gfx::Size(width, height));
 }
 
 ui::ModalType ExtensionDialog::GetModalType() const {
@@ -241,15 +242,15 @@ void ExtensionDialog::DeleteDelegate() {
 }
 
 views::Widget* ExtensionDialog::GetWidget() {
-  return extension_host_->view()->GetWidget();
+  return view_->GetWidget();
 }
 
 const views::Widget* ExtensionDialog::GetWidget() const {
-  return extension_host_->view()->GetWidget();
+  return view_->GetWidget();
 }
 
 views::View* ExtensionDialog::GetContentsView() {
-  return extension_host_->view();
+  return view_;
 }
 
 /////////////////////////////////////////////////////////////////////////////
@@ -262,7 +263,7 @@ void ExtensionDialog::Observe(int type,
     case chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING:
       // Avoid potential overdraw by removing the temporary background after
       // the extension finishes loading.
-      extension_host_->view()->set_background(NULL);
+      view_->set_background(NULL);
       // The render view is created during the LoadURL(), so we should
       // set the focus to the view if nobody else takes the focus.
       if (content::Details<extensions::ExtensionHost>(host()) == details)