[gtk] (42 commits) ...gl renderer: Pull a local variable in the closest scope

[Timm Bäder <baedert src gnome org>]

Summary of changes:

  06dbde2... csscolorvalue: Don't resolve literal color values (*)
  515a527... csscolorvalue: Compute alpha/shade/mix of color literals di (*)
  1200fe2... cssvalue: Add type names for all classes (*)
  8d15efb... cssarrayvalue: Allow calling array API on non-arrays (*)
  9cb2fe5... cssarrayvalue: Don't allocate memory when parsing array val (*)
  1f2f277... csscornervalue: Accept other values if x == y (*)
  e31c089... cssnumbervalue: Add early-outs to transition code (*)
  91aa60b... csssshadwovalue: Remove unused function prototype (*)
  741e120... dump css value stats (*)
  67991ed... Remove GtkCssRgbaValue (*)
  3401150... cssimagefallback: Don't compute new image if only a color i (*)
  00aa4f0... cssimagelinear: Use count+array for the color stops, not GA (*)
  fc2d05e... cssimageradial: Use array + length instead of GArray (*)
  afa9917... gl renderer: Look at shadow color in the outset shadow cach (*)
  7d1f915... csscolorvalue: Don't copy rgbas when applying function (*)
  8c678ac... css: Move border-width special cases out of GtkCssDimension (*)
  7aa17af... testsuite: Update css color output (*)
  31aa5a0... cssvalue: Add is_computed flag (*)
  ba08f5e... cssvalue: Don't call compute() for already computed css val (*)
  24d8c0a... css: Set the is_computed flag for more values (*)
  0b2a6e3... cssimage: Add is_computed vfunc (*)
  9614354... csscolorvalue: check for singletons in new_literal (*)
  7c75ea3... cssvalue: Improve css value accounting output (*)
  a3769eb... cssshadowvalue: Only create 2 shadows values for transition (*)
  45455f1... Remove GtkCssShadowsValue (*)
  c9e972e... cssdimensionvalue: Implement transition() (*)
  e448fc4... cssnumbervalue: Move early-out code to GtkCssValue (*)
  2e89c53... numbervalue: Add early-out to multiply() (*)
  3091679... gl renderer: Render simple border nodes in a simple way (*)
  8c98fd2... cssdimensionvalue: remove early-out code from transition() (*)
  d861dd5... csshorthandproperty: Try to avoid allocating a GString for  (*)
  3f38a1c... css: Re-add a lost special case (*)
  1efa396... css: Simplify default values (*)
  f5182f1... css: Mark transform value as computed (*)
  dc8dedc... gl renderer: Draw outset shadows white (*)
  85793fe... testsuite: Update expected css errors (*)
  821efcb... cssstyle: Implement get_pango_font() directly (*)
  dda54b2... widget: Get DPI from style directly (*)
  119ebe1... cssstyle: set font variations in get_pango_font() (*)
  f8fa946... widget: Get opacity without GtkStyleContext (*)
  26506b0... cssimagefallback: Don't snapshot invisible colors (*)
  433c830... gl renderer: Pull a local variable in the closest scope (*)

(*) This commit already existed in another branch; no separate mail sent