Fix crashers and issues when rendering blimp in tabs

blimp/client/core/contents/tab_control_feature.cc

Index: blimp/client/core/contents/tab_control_feature.cc
diff --git a/blimp/client/core/contents/tab_control_feature.cc b/blimp/client/core/contents/tab_control_feature.cc
index b438763e556da5acc1325cbd8ec027db1c0ac89a..3559b37f00b2082f3a10f55f7f83e839b60f7ff3 100644
--- a/blimp/client/core/contents/tab_control_feature.cc
+++ b/blimp/client/core/contents/tab_control_feature.cc
@@ -24,10 +24,6 @@ void TabControlFeature::set_outgoing_message_processor(
 
 void TabControlFeature::SetSizeAndScale(const gfx::Size& size,
                                         float device_pixel_ratio) {
-  if (last_size_ == size && last_device_pixel_ratio_ == device_pixel_ratio) {
-    return;
-  }
-
   last_size_ = size;
   last_device_pixel_ratio_ = device_pixel_ratio;