Dragging panels near screen edge

chrome/browser/extensions/api/tabs/tabs_api.cc

Index: chrome/browser/extensions/api/tabs/tabs_api.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs_api.cc b/chrome/browser/extensions/api/tabs/tabs_api.cc
index 81d938e97ae29e6b6e555527f49811fd90f2a4f9..faab4a84eeb63cddb3782d7826ee2185863baad1 100644
--- a/chrome/browser/extensions/api/tabs/tabs_api.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_api.cc
@@ -760,32 +760,40 @@ bool WindowsUpdateFunction::RunImpl() {
     EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
         keys::kLeftKey,
         &bounds_val));
-    bounds.set_x(bounds_val);
-    set_bounds = true;
+    if (bounds.x() != bounds_val) {
+      bounds.set_x(bounds_val);
+      set_bounds = true;
+    }
   }
 
   if (update_props->HasKey(keys::kTopKey)) {
     EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
         keys::kTopKey,
         &bounds_val));
-    bounds.set_y(bounds_val);
-    set_bounds = true;
+    if (bounds.y() != bounds_val) {
+      bounds.set_y(bounds_val);
+      set_bounds = true;
+    }
   }
 
   if (update_props->HasKey(keys::kWidthKey)) {
     EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
         keys::kWidthKey,
         &bounds_val));
-    bounds.set_width(bounds_val);
-    set_bounds = true;
+    if (bounds.width() != bounds_val) {
+      bounds.set_width(bounds_val);
+      set_bounds = true;
+    }
   }
 
   if (update_props->HasKey(keys::kHeightKey)) {
     EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
         keys::kHeightKey,
         &bounds_val));
-    bounds.set_height(bounds_val);
-    set_bounds = true;
+    if (bounds.height() != bounds_val) {
+      bounds.set_height(bounds_val);
+      set_bounds = true;
+    }
   }
 
   if (set_bounds) {