extensions: Add ExtensionView interface.

chrome/browser/ui/views/infobars/extension_infobar.cc

Index: chrome/browser/ui/views/infobars/extension_infobar.cc
diff --git a/chrome/browser/ui/views/infobars/extension_infobar.cc b/chrome/browser/ui/views/infobars/extension_infobar.cc
index 2bef24c41d2c2322cc651b1fac216ee0fdcf8a76..d30347e2b12a3c3e3a4c3b00cbddf9486118a4e8 100644
--- a/chrome/browser/ui/views/infobars/extension_infobar.cc
+++ b/chrome/browser/ui/views/infobars/extension_infobar.cc
@@ -101,11 +101,12 @@ void ExtensionInfoBar::Layout() {
   menu_->SetBounds(StartX(), OffsetY(menu_size), menu_size.width(),
                    menu_size.height());
 
-  GetDelegate()->extension_host()->view()->SetBounds(
-      menu_->bounds().right() + kMenuHorizontalMargin,
-      arrow_height(),
-      std::max(0, EndX() - StartX() - ContentMinimumWidth()),
-      height() - arrow_height() - 1);
+  ExtensionViewViews* view = static_cast<ExtensionViewViews*>(
+      GetDelegate()->extension_host()->GetExtensionView());
+  view->SetBounds(menu_->bounds().right() + kMenuHorizontalMargin,
+                  arrow_height(),
+                  std::max(0, EndX() - StartX() - ContentMinimumWidth()),
+                  height() - arrow_height() - 1);
 }
 
 void ExtensionInfoBar::ViewHierarchyChanged(bool is_add,
@@ -122,7 +123,9 @@ void ExtensionInfoBar::ViewHierarchyChanged(bool is_add,
   AddChildView(menu_);
 
   extensions::ExtensionHost* extension_host = GetDelegate()->extension_host();
-  AddChildView(extension_host->view());
+  ExtensionViewViews* view =
+      static_cast<ExtensionViewViews*>(extension_host->GetExtensionView());
+  AddChildView(view);
 
   // This must happen after adding all other children so InfoBarView can ensure
   // the close button is the last child.