Instant: Use only one hidden WebContents per profile.

chrome/browser/ui/views/omnibox/omnibox_view_win.cc

Index: chrome/browser/ui/views/omnibox/omnibox_view_win.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_win.cc b/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
index 09db17b12ab065ac87abcaff464af0f753fa79ba..d1483cfbfedc613d0ac4822451783bd3d655bf5f 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_win.cc
@@ -297,7 +297,6 @@ void OmniboxViewWin::EditDropTarget::ResetDropHighlights() {
     edit_->SetDropHighlightPosition(-1);
 }
 
-
 ///////////////////////////////////////////////////////////////////////////////
 // Helper classes
 
@@ -1518,7 +1517,6 @@ LRESULT OmniboxViewWin::OnImeComposition(UINT message,
   return result;
 }
 
-
 LRESULT OmniboxViewWin::OnImeEndComposition(UINT message, WPARAM wparam,
                                             LPARAM lparam) {
   // The edit control auto-clears the selection on WM_IME_ENDCOMPOSITION, which
@@ -1750,7 +1748,6 @@ void OmniboxViewWin::OnLButtonDown(UINT keys, const CPoint& point) {
   if (!gaining_focus_.get() && !is_triple_click)
     OnPossibleDrag(point);
 
-
   // Modifying the selection counts as accepting any inline autocompletion, so
   // track "changes" made by clicking the mouse button.
   ScopedFreeze freeze(this, GetTextObjectModel());
@@ -2462,9 +2459,6 @@ void OmniboxViewWin::EmphasizeURLComponents() {
       GetText(), model()->GetDesiredTLD(), &scheme, &host);
   const bool emphasize = model()->CurrentTextIsURL() && (host.len > 0);
 
-  bool instant_extended_api_enabled =
-      chrome::search::IsInstantExtendedAPIEnabled(parent_view_->profile());
-
   // Set the baseline emphasis.
   CHARFORMAT cf = {0};
   cf.dwMask = CFM_COLOR;
@@ -2589,9 +2583,6 @@ void OmniboxViewWin::DrawSlashForInsecureScheme(HDC hdc,
       SkIntToScalar(PosFromChar(sel.cpMax).x - scheme_rect.left),
       SkIntToScalar(scheme_rect.Height()) };
 
-  bool instant_extended_api_enabled =
-      chrome::search::IsInstantExtendedAPIEnabled(parent_view_->profile());
-
   // Draw the unselected portion of the stroke.
   sk_canvas->save();
   if (selection_rect.isEmpty() ||