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 279 matching lines @@
 
 TabContents* InstantController::GetPreviewContents() const {
   return loader_.get() ? loader_->preview_contents() : NULL;
 }
 
 void InstantController::Hide() {
   last_active_tab_ = NULL;
   if (is_showing_) {
     is_showing_ = false;
     delegate_->HideInstant();
+    // In extended mode, the Instant page may have resized the preview. Reset
+    // its height to full here so that it starts that way on each invocation.

[sreeram, 2012/09/17 17:26:12]

"on each invocation" -> "on the next Update()"?

[Jered, 2012/09/18 22:12:00]

Removed, this lives in the view now (as it was in our branch).

+    if (mode_ == EXTENDED)
+      delegate_->SetInstantPreviewHeight(100, INSTANT_SIZE_PERCENT);
   }
 }
 
 bool InstantController::IsCurrent() const {
   DCHECK(IsOutOfDate() || GetPreviewContents());
   return !IsOutOfDate() && GetPreviewContents() &&
          loader_->supports_instant() && last_match_was_search_;
 }
 
 TabContents* InstantController::CommitCurrentPreview(InstantCommitType type) {
@@ skipping 190 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 (mode_ == EXTENDED)
+    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();
 }