Remove DetermineIfPageSupportsInstant and all its plumbing

chrome/common/instant.mojom

 // Copyright 2016 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.
 
 module chrome.mojom;
 
 import "mojo/common/string16.mojom";
 import "mojo/common/time.mojom";
 import "url/mojo/url.mojom";
 
@@ skipping 17 matching lines @@
   // use to query the embedded search interface. |client| is the connection used
   // by the embedded search interface implementation to push browser state
   // updates to the client.
   Connect(associated Instant& instant, associated SearchBox client);
 };
 
 // TODO(tibell): Rename this to EmbeddedSearch.
 //
 // Browser interface to support embedded search. Render frames connect to this
 // interface to query browser data, such as the most visited pages.
+// See http://dev.chromium.org/embeddedsearch
 interface Instant {
-  // Tells InstantExtended whether the embedded search API is supported.
-  // See http://dev.chromium.org/embeddedsearch
-  InstantSupportDetermined(int32 page_seq_no, bool result);
-
   // Tells InstantExtended to set the omnibox focus state.
   FocusOmnibox(int32 page_seq_no, OmniboxFocusState state);
 
   // Tells InstantExtended to delete a most visited item.
   DeleteMostVisitedItem(int32 page_seq_no, url.mojom.Url url);
 
   // Tells InstantExtended to undo all most visited item deletions.
   UndoAllMostVisitedDeletions(int32 page_seq_no);
 
   // Tells InstantExtended to undo one most visited item deletion.
@@ skipping 44 matching lines @@
 [Native]
 struct ThemeBackgroundInfo;
 
 // TODO(tibell): Rename this to EmbeddedSearchClient.
 //
 // Renderer interface used by the browser to push updates to the client. For
 // example, the browser will tell the frame if the omnibox got focus.
 interface SearchBox {
   SetPageSequenceNumber(int32 page_seq_no);
 
-  DetermineIfPageSupportsInstant();
-
   FocusChanged(OmniboxFocusState new_focus_state,
                OmniboxFocusChangeReason reason);
 
   MostVisitedChanged(array<InstantMostVisitedItem> items);
 
   SetInputInProgress(bool input_in_progress);
 
   SetSuggestionToPrefetch(InstantSuggestion suggestion);
 
   Submit(mojo.common.mojom.String16 value,
          EmbeddedSearchRequestParams params);
 
   ThemeChanged(ThemeBackgroundInfo value);
 
   // TODO(treib): Remove the *Result methods and instead add return values to
   // the correspnding methods in the Instant interface above.
   HistorySyncCheckResult(bool sync_history);
 
   ChromeIdentityCheckResult(mojo.common.mojom.String16 identity,
                             bool identity_match);
 };