Make start page fill app list bounds.

ui/app_list/views/contents_view.cc

Index: ui/app_list/views/contents_view.cc
diff --git a/ui/app_list/views/contents_view.cc b/ui/app_list/views/contents_view.cc
index 1e299d706a7abd58dcb2d8cb63ac79bbe2cb4f2a..5186efe622256f0fe260a7a2a5c553f74f8f6cc7 100644
--- a/ui/app_list/views/contents_view.cc
+++ b/ui/app_list/views/contents_view.cc
@@ -370,7 +370,8 @@ gfx::Rect ContentsView::GetSearchBoxBoundsForState(
     // Convert to ContentsView space, assuming that the StartPageView is in the
     // ContentsView's default bounds.
     return start_page_view_->GetSearchBoxBounds() +
-           GetDefaultContentsBounds().OffsetFromOrigin();
+           default_animator_->GetOnscreenPageBounds(GetPageIndexForState(state))
+               .OffsetFromOrigin();
   }
 
   return GetDefaultSearchBoxBounds();
@@ -459,14 +460,10 @@ void ContentsView::Layout() {
   // Move the current view onto the screen, and all other views off screen to
   // the left. (Since we are not animating, we don't need to be careful about
   // which side we place the off-screen views onto.)
-  gfx::Rect rect(GetDefaultContentsBounds());
-  // Custom pages are aligned to the top of the window, not under the search
-  // box.
-  double progress = 0;
-  if (IsStateActive(AppListModel::STATE_CUSTOM_LAUNCHER_PAGE)) {
-    rect = GetContentsBounds();
-    progress = 1;
-  }
+  gfx::Rect rect =
+      default_animator_->GetOnscreenPageBounds(GetActivePageIndex());
+  double progress =
+      IsStateActive(AppListModel::STATE_CUSTOM_LAUNCHER_PAGE) ? 1 : 0;
 
   // Notify the custom launcher page that the active page has changed.
   app_list_main_view_->view_delegate()->CustomLauncherPageAnimationChanged(