gtk: Only notify the TabContents that the browser window has moved or resized if the window has actually moved or resized. This fixes a ~20ms startup performance regression.

BUG=37975
TEST=none
Review URL: http://codereview.chromium.org/844004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@41316 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 10 insertions, 5 deletions

diff --git a/chrome/browser/gtk/browser_window_gtk.cc b/chrome/browser/gtk/browser_window_gtk.cc
index 2c1bb32..46adb2f 100644
--- a/chrome/browser/gtk/browser_window_gtk.cc
+++ b/chrome/browser/gtk/browser_window_gtk.cc
@@ -1210,11 +1210,16 @@ void BrowserWindowGtk::DestroyBrowser() {
 void BrowserWindowGtk::OnBoundsChanged(const gfx::Rect& bounds) {
   GetLocationBar()->location_entry()->ClosePopup();
 
-  // Notify the TabContents that the browser window has been resized or moved.
-  // This is used to close AutoFill popups in the renderer.
-  TabContents* tab_contents = browser_->GetSelectedTabContents();
-  if (tab_contents)
-    tab_contents->WindowMoveOrResizeStarted();
+  // Only notify the TabContents about the move or resize if we actually have
+  // moved or resized.  We also don't need to notify for the initial
+  // configuration when the browser window is created.
+  if (!bounds_.IsEmpty() && !bounds_.Equals(bounds)) {
+    // Notify the TabContents that the browser window has been resized or moved.
+    // This is used to close AutoFill popups in the renderer.
+    TabContents* tab_contents = browser_->GetSelectedTabContents();
+    if (tab_contents)
+      tab_contents->WindowMoveOrResizeStarted();
+  }
 
   if (bounds_.size() != bounds.size())
     OnSizeChanged(bounds.width(), bounds.height());