Bug 1350643 - Part 7: Remove sync GetDPI/DefaultScale/WidgetRounding. Use primary screen's value until RecvShow. r=kanru

MozReview-Commit-ID: GlDMNecWp3j

widget/PuppetWidget.cpp

@@ -88,7 +88,7 @@ PuppetWidget::PuppetWidget(TabChild* aTabChild)
   : mTabChild(aTabChild)
   , mMemoryPressureObserver(nullptr)
   , mDPI(-1)
-  , mRounding(-1)
+  , mRounding(1)
   , mDefaultScale(-1)
   , mCursorHotspotX(0)
   , mCursorHotspotY(0)
@@ -1152,42 +1152,18 @@ PuppetWidget::NeedsPaint()
 float
 PuppetWidget::GetDPI()
 {
-  if (mDPI < 0) {
-    if (mTabChild) {
-      mTabChild->GetDPI(&mDPI);
-    } else {
-      mDPI = 96.0;
-    }
-  }
-
   return mDPI;
 }
 
 double
 PuppetWidget::GetDefaultScaleInternal()
 {
-  if (mDefaultScale < 0) {
-    if (mTabChild) {
-      mTabChild->GetDefaultScale(&mDefaultScale);
-    } else {
-      mDefaultScale = 1;
-    }
-  }
-
   return mDefaultScale;
 }
 
 int32_t
 PuppetWidget::RoundsWidgetCoordinatesTo()
 {
-  if (mRounding < 0) {
-    if (mTabChild) {
-      mTabChild->GetWidgetRounding(&mRounding);
-    } else {
-      mRounding = 1;
-    }
-  }
-
   return mRounding;
 }