Bug 1250669. Don't init dwrite fonts if content device creation fails. r=dvander

gfx/thebes/gfxWindowsPlatform.cpp

@@ -2526,6 +2526,13 @@ gfxWindowsPlatform::InitializeD2D()
     return;
   }
 
+  // If we don't have a content device, don't init
+  // anything else below such as dwrite
+  if (!mD3D11ContentDevice) {
+    mD2D1Status = FeatureStatus::Failed;
+    return;
+  }
+
   if (!mCompositorD3D11TextureSharingWorks) {
     mD2D1Status = FeatureStatus::Failed;
     return;
@@ -2537,11 +2544,6 @@ gfxWindowsPlatform::InitializeD2D()
     return;
   }
 
-  if (!mD3D11ContentDevice) {
-    mD2D1Status = FeatureStatus::Failed;
-    return;
-  }
-
   mD2D1Status = FeatureStatus::Available;
   Factory::SetDirect3D11Device(mD3D11ContentDevice);