Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/instant/instant_loader.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/instant/instant_loader.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 148 matching lines @@
           web_contents_->GetController().GetActiveEntry();
       if (!active_entry || active_entry->GetPageID() != page_id ||
           active_entry->GetUniqueID() != unique_id_) {
         return;
       }
       loader_->SendBoundsToPage(true);
       // TODO: support real cursor position.
       int text_length = static_cast<int>(text_.size());
       RenderViewHost* host = web_contents_->GetRenderViewHost();
       host->Send(new ChromeViewMsg_DetermineIfPageSupportsInstant(
-          host->routing_id(), text_, verbatim_, text_length, text_length));
+          host->GetRoutingID(), text_, verbatim_, text_length, text_length));
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 }
 
 // TabContentsDelegateImpl -----------------------------------------------------
 
@@ skipping 502 matching lines @@
         frame_load_observer_->set_text(user_text_);
         frame_load_observer_->set_verbatim(verbatim);
         preview_tab_contents_delegate_->set_user_typed_before_load();
         return true;
       }
       // TODO: support real cursor position.
       int text_length = static_cast<int>(user_text_.size());
       RenderViewHost* host =
           preview_contents_->web_contents()->GetRenderViewHost();
       host->Send(new ChromeViewMsg_SearchBoxChange(
-          host->routing_id(), user_text_, verbatim, text_length, text_length));
+          host->GetRoutingID(),
+          user_text_,
+          verbatim,
+          text_length,
+          text_length));
 
       string16 complete_suggested_text_lower = base::i18n::ToLower(
           complete_suggested_text_);
       string16 user_text_lower = base::i18n::ToLower(user_text_);
       if (!verbatim &&
           complete_suggested_text_lower.size() > user_text_lower.size() &&
           !complete_suggested_text_lower.compare(0, user_text_lower.size(),
                                                  user_text_lower)) {
         *suggested_text = last_suggestion_ =
             complete_suggested_text_.substr(user_text_.size());
@@ skipping 50 matching lines @@
     return NULL;
 
   // FrameLoadObserver is only used for instant results, and instant results are
   // only committed if active (when the FrameLoadObserver isn't installed).
   DCHECK(type == INSTANT_COMMIT_DESTROY || !frame_load_observer_.get());
 
   if (type != INSTANT_COMMIT_DESTROY && is_showing_instant()) {
     RenderViewHost* host =
         preview_contents_->web_contents()->GetRenderViewHost();
     if (type == INSTANT_COMMIT_FOCUS_LOST) {
-      host->Send(new ChromeViewMsg_SearchBoxCancel(host->routing_id()));
+      host->Send(new ChromeViewMsg_SearchBoxCancel(host->GetRoutingID()));
     } else {
       host->Send(new ChromeViewMsg_SearchBoxSubmit(
-          host->routing_id(), user_text_,
+          host->GetRoutingID(), user_text_,
           type == INSTANT_COMMIT_PRESSED_ENTER));
     }
   }
   omnibox_bounds_ = gfx::Rect();
   last_omnibox_bounds_ = gfx::Rect();
   GURL url;
   url.Swap(&url_);
   user_text_.clear();
   complete_suggested_text_.clear();
   if (preview_contents_.get()) {
@@ skipping 214 matching lines @@
 void InstantLoader::SendBoundsToPage(bool force_if_waiting) {
   if (last_omnibox_bounds_ == omnibox_bounds_)
     return;
 
   if (preview_contents_.get() && is_showing_instant() &&
       (force_if_waiting || !is_determining_if_page_supports_instant())) {
     last_omnibox_bounds_ = omnibox_bounds_;
     RenderViewHost* host =
         preview_contents_->web_contents()->GetRenderViewHost();
     host->Send(new ChromeViewMsg_SearchBoxResize(
-        host->routing_id(), GetOmniboxBoundsInTermsOfPreview()));
+        host->GetRoutingID(), GetOmniboxBoundsInTermsOfPreview()));
   }
 }
 
 void InstantLoader::ReplacePreviewContents(TabContentsWrapper* old_tc,
                                            TabContentsWrapper* new_tc) {
   DCHECK(old_tc == preview_contents_);
   // We release here without deleting so that the caller still has reponsibility
   // for deleting the TabContentsWrapper.
   ignore_result(preview_contents_.release());
   preview_contents_.reset(new_tc);
@@ skipping 101 matching lines @@
   preview_contents_->web_contents()->HideContents();
 
   // If user_text is empty, this must be a preload of the search homepage. In
   // that case, send down a SearchBoxResize message, which will switch the page
   // to "search results" UI. This avoids flicker when the page is shown with
   // results. In addition, we don't want the page accidentally causing the
   // preloaded page to be displayed yet (by calling setSuggestions), so don't
   // send a SearchBoxChange message.
   if (user_text.empty()) {
     host->Send(new ChromeViewMsg_SearchBoxResize(
-        host->routing_id(), GetOmniboxBoundsInTermsOfPreview()));
+        host->GetRoutingID(), GetOmniboxBoundsInTermsOfPreview()));
   } else {
     host->Send(new ChromeViewMsg_SearchBoxChange(
-        host->routing_id(), user_text, verbatim, 0, 0));
+        host->GetRoutingID(), user_text, verbatim, 0, 0));
   }
 
   frame_load_observer_.reset(new FrameLoadObserver(
       this, preview_contents()->web_contents(), user_text, verbatim));
 }