Make FindBar obey dialog bounds for GTK. Will fix other platforms in separate patches.

chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm

Index: chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm
diff --git a/chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm b/chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm
index 2d443257bdfae58f603dc3d2b634b75ca43d2e67..2ddb5ac2df7e68118b1ed14f8106abbbb609bc1d 100644
--- a/chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm
+++ b/chrome/browser/ui/cocoa/find_bar/find_bar_bridge.mm
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -127,3 +127,8 @@ string16 FindBarBridge::GetMatchCountText() {
   NOTIMPLEMENTED();
   return string16();
 }
+
+int FindBarBridge::GetWidth() {
+  NOTIMPLEMENTED();
+  return 0;
+}