Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/instant/instant_controller.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_controller.h"
 
 #include "base/command_line.h"
 #include "base/i18n/case_conversion.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
@@ skipping 489 matching lines @@
 
 void InstantController::CommitInstantLoader(InstantLoader* loader) {
   DCHECK_EQ(loader_.get(), loader);
   DCHECK(is_showing_ && !IsOutOfDate()) << is_showing_;
   if (loader_ != loader || !is_showing_ || IsOutOfDate())
     return;
 
   CommitCurrentPreview(INSTANT_COMMIT_FOCUS_LOST);
 }
 
+void InstantController::SetInstantPreviewHeight(InstantLoader* loader,
+                                                int height,
+                                                InstantSizeUnits units) {
+  DCHECK_EQ(loader_.get(), loader);
+  if (loader_ != loader || mode_ != EXTENDED)
+    return;
+
+  delegate_->SetInstantPreviewHeight(height, units);
+}
+
 void InstantController::InstantLoaderPreviewLoaded(InstantLoader* loader) {
   DCHECK_EQ(loader_.get(), loader);
   AddPreviewUsageForHistogram(mode_, PREVIEW_LOADED);
 }
 
 void InstantController::InstantSupportDetermined(InstantLoader* loader,
                                                  bool supports_instant) {
   DCHECK_EQ(loader_.get(), loader);
   if (supports_instant) {
     blacklisted_urls_.erase(loader->instant_url());
@@ skipping 197 matching lines @@
       iter->second > kMaxInstantSupportFailures)
     return false;
 
   return true;
 }
 
 bool InstantController::IsOutOfDate() const {
   return !last_active_tab_ ||
          last_active_tab_ != delegate_->GetActiveTabContents();
 }