Omnibox UI Experiments: Add flag to change max autocomplete matches.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
 
 #include <algorithm>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
@@ skipping 101 matching lines @@
   }
 
   SetEventTargeter(
       std::unique_ptr<views::ViewTargeter>(new views::ViewTargeter(this)));
 }
 
 void OmniboxPopupContentsView::Init() {
   // This can't be done in the constructor as at that point we aren't
   // necessarily our final class yet, and we may have subclasses
   // overriding CreateResultView.
-  for (size_t i = 0; i < AutocompleteResult::kMaxMatches; ++i) {
+  for (size_t i = 0; i < AutocompleteResult::GetMaxMatches(); ++i) {
     OmniboxResultView* result_view = CreateResultView(i, font_list_);
     result_view->SetVisible(false);
     AddChildViewAt(result_view, static_cast<int>(i));
   }
 }
 
 OmniboxPopupContentsView::~OmniboxPopupContentsView() {
   // We don't need to do anything with |popup_| here.  The OS either has already
   // closed the window, in which case it's been deleted, or it will soon, in
   // which case there's nothing we need to do.
@@ skipping 15 matching lines @@
   return current_frame_bounds;
 }
 
 void OmniboxPopupContentsView::LayoutChildren() {
   gfx::Rect contents_rect = GetContentsBounds();
   contents_rect.Inset(gfx::Insets(kPopupVerticalPadding, 0));
   contents_rect.Inset(start_margin_, g_top_shadow.Get().height(), end_margin_,
                       0);
 
   int top = contents_rect.y();
-  for (size_t i = 0; i < AutocompleteResult::kMaxMatches; ++i) {
+  for (size_t i = 0; i < AutocompleteResult::GetMaxMatches(); ++i) {
     View* v = child_at(i);
     if (v->visible()) {
       v->SetBounds(contents_rect.x(), top, contents_rect.width(),
                    v->GetPreferredSize().height());
       top = v->bounds().bottom();
     }
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 47 matching lines @@
     if (match.answer && !model_->answer_bitmap().isNull()) {
       view->SetAnswerImage(
           gfx::ImageSkia::CreateFrom1xBitmap(model_->answer_bitmap()));
     }
     if (match.type == AutocompleteMatchType::SEARCH_SUGGEST_TAIL) {
       max_match_contents_width_ = std::max(
           max_match_contents_width_, view->GetMatchContentsWidth());
     }
   }
 
-  for (size_t i = result_size; i < AutocompleteResult::kMaxMatches; ++i)
+  for (size_t i = result_size; i < AutocompleteResult::GetMaxMatches(); ++i)
     child_at(i)->SetVisible(false);
 
   // We want the popup to appear to overlay the bottom of the toolbar. So we
   // shift the popup to completely cover the client edge, and then draw an
   // additional semitransparent shadow above that.
   int top_edge_overlap = views::NonClientFrameView::kClientEdgeThickness +
                          g_top_shadow.Get().height();
 
   gfx::Point top_left_screen_coord;
   int width;
@@ skipping 291 matching lines @@
   size_t index = GetIndexForPoint(event.location());
   if (!HasMatchAt(index))
     return;
   omnibox_view_->OpenMatch(model_->result().match_at(index), disposition,
                            GURL(), base::string16(), index);
 }
 
 OmniboxResultView* OmniboxPopupContentsView::result_view_at(size_t i) {
   return static_cast<OmniboxResultView*>(child_at(static_cast<int>(i)));
 }