Instant extended API: Make arrow up/down work.

chrome/renderer/searchbox/searchbox.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/renderer/searchbox/searchbox.h"
 
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/searchbox/searchbox_extension.h"
 #include "content/public/renderer/render_view.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 
 SearchBox::SearchBox(content::RenderView* render_view)
     : content::RenderViewObserver(render_view),
       content::RenderViewObserverTracker<SearchBox>(render_view),
       verbatim_(false),
       selection_start_(0),
       selection_end_(0),
-      results_base_(0),
-      key_code_(0) {
+      results_base_(0) {
 }
 
 SearchBox::~SearchBox() {
 }
 
 void SearchBox::SetSuggestions(
     const std::vector<InstantSuggestion>& suggestions) {
   if (!suggestions.empty() &&
       suggestions[0].behavior == INSTANT_COMPLETE_REPLACE) {
     query_ = suggestions[0].text;
@@ skipping 31 matching lines @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SearchBox, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxChange, OnChange)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSubmit, OnSubmit)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxCancel, OnCancel)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxResize, OnResize)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_DetermineIfPageSupportsInstant,
                         OnDetermineIfPageSupportsInstant)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxAutocompleteResults,
                         OnAutocompleteResults)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxKeyPress, OnKeyPress)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxUpOrDownKeyPressed,
+                        OnUpOrDownKeyPressed)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void SearchBox::OnChange(const string16& query,
                          bool verbatim,
                          size_t selection_start,
                          size_t selection_end) {
   query_ = query;
@@ skipping 48 matching lines @@
 void SearchBox::OnAutocompleteResults(
     const std::vector<InstantAutocompleteResult>& results) {
   results_base_ += autocomplete_results_.size();
   autocomplete_results_ = results;
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
     extensions_v8::SearchBoxExtension::DispatchAutocompleteResults(
         render_view()->GetWebView()->mainFrame());
   }
 }
 
-void SearchBox::OnKeyPress(int key_code) {
-  key_code_ = key_code;
+void SearchBox::OnUpOrDownKeyPressed(int count) {
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
-    extensions_v8::SearchBoxExtension::DispatchKeyPress(
-        render_view()->GetWebView()->mainFrame());
+    extensions_v8::SearchBoxExtension::DispatchUpOrDownKeyPress(
+        render_view()->GetWebView()->mainFrame(), count);
   }
 }
 
 void SearchBox::Reset() {
   query_.clear();
   verbatim_ = false;
   selection_start_ = selection_end_ = 0;
   results_base_ = 0;
   rect_ = gfx::Rect();
   autocomplete_results_.clear();
-  key_code_ = 0;
 }