Upstream rewrite of Instant.

chrome/browser/ui/omnibox/omnibox_edit_model.cc

Index: chrome/browser/ui/omnibox/omnibox_edit_model.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_edit_model.cc b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
index 51282acd5b1248c8b6b3cc489a8f065853135e50..096af3a466c07317d462130eddd2e89ba2af069f 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_model.cc
+++ b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
@@ -211,7 +211,8 @@ bool OmniboxEditModel::CommitSuggestedText(bool skip_inline_autocomplete) {
 
 bool OmniboxEditModel::AcceptCurrentInstantPreview() {
   InstantController* instant = controller_->GetInstant();
-  return instant && instant->CommitIfCurrent();
+  return instant && instant->IsCurrent() &&
+         instant->CommitCurrentPreview(INSTANT_COMMIT_PRESSED_ENTER);
 }
 
 void OmniboxEditModel::OnChanged() {
@@ -241,10 +242,12 @@ void OmniboxEditModel::OnChanged() {
   UMA_HISTOGRAM_ENUMERATION("AutocompleteActionPredictor.Action",
                             recommended_action,
                             AutocompleteActionPredictor::LAST_PREDICT_ACTION);
-  string16 suggested_text;
 
-  if (DoInstant(current_match, &suggested_text)) {
-    SetSuggestedText(suggested_text, instant_complete_behavior_);
+  string16 suggested_text = inline_autocomplete_text_;
+  InstantCompleteBehavior complete_behavior = INSTANT_COMPLETE_NOW;
+
+  if (DoInstant(current_match, &suggested_text, &complete_behavior)) {
+    SetSuggestedText(suggested_text, complete_behavior);
   } else {
     switch (recommended_action) {
       case AutocompleteActionPredictor::ACTION_PRERENDER:
@@ -440,7 +443,7 @@ void OmniboxEditModel::StopAutocomplete() {
   if (popup_->IsOpen() && !in_revert_) {
     InstantController* instant = controller_->GetInstant();
     if (instant && !instant->commit_on_mouse_up())
-      instant->DestroyPreviewContents();
+      instant->Hide();
   }
 
   autocomplete_controller_->Stop(true);
@@ -612,7 +615,7 @@ void OmniboxEditModel::OpenMatch(const AutocompleteMatch& match,
 
   InstantController* instant = controller_->GetInstant();
   if (instant && !popup_->IsOpen())
-    instant->DestroyPreviewContents();
+    instant->Hide();
   in_revert_ = false;
 }
 
@@ -679,12 +682,11 @@ void OmniboxEditModel::OnSetFocus(bool control_down) {
   NotifySearchTabHelper();
 }
 
-void OmniboxEditModel::OnWillKillFocus(gfx::NativeView view_gaining_focus) {
+void OmniboxEditModel::OnWillKillFocus() {
   SetSuggestedText(string16(), INSTANT_COMPLETE_NOW);
 
-  InstantController* instant = controller_->GetInstant();
-  if (instant)
-    instant->OnAutocompleteLostFocus(view_gaining_focus);
+  if (InstantController* instant = controller_->GetInstant())
+    instant->OnAutocompleteLostFocus();
 
   NotifySearchTabHelper();
 }
@@ -1086,9 +1088,12 @@ void OmniboxEditModel::NotifySearchTabHelper() {
   }
 }
 
-bool OmniboxEditModel::DoInstant(const AutocompleteMatch& match,
-                                 string16* suggested_text) {
+bool OmniboxEditModel::DoInstant(
+    const AutocompleteMatch& match,
+    string16* suggested_text,
+    InstantCompleteBehavior* complete_behavior) {
   DCHECK(suggested_text);
+  DCHECK(complete_behavior);
 
   if (in_revert_)
     return false;
@@ -1099,8 +1104,8 @@ bool OmniboxEditModel::DoInstant(const AutocompleteMatch& match,
     return false;
 
   if (user_input_in_progress_ && popup_->IsOpen()) {
-    return instant->Update(match, view_->GetText(), UseVerbatimInstant(),
-                           suggested_text);
+    return instant->Update(match, DisplayTextFromUserText(user_text_),
+        UseVerbatimInstant(), suggested_text, complete_behavior);
   }
 
   // It's possible DoInstant() was called due to an OnChanged() event from the