Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/instant/instant_controller.cc

Index: chrome/browser/instant/instant_controller.cc
diff --git a/chrome/browser/instant/instant_controller.cc b/chrome/browser/instant/instant_controller.cc
index 69d2e7d91ffba0a64a1558ed312862de113e54d0..f6e8d5a5ede85f75eca6dad93ca4d0494ccf39dc 100644
--- a/chrome/browser/instant/instant_controller.cc
+++ b/chrome/browser/instant/instant_controller.cc
@@ -297,6 +297,10 @@ void InstantController::Hide() {
   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);
   }
 }
 
@@ -507,6 +511,14 @@ void InstantController::CommitInstantLoader(InstantLoader* loader) {
   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);