[Chromecast] Add support for degamma and gamma LUTs

Allows the Cast display configurator to configure the lookup tables for
degamma and gamma.

BUG=b/109942195
TEST=Compile

Change-Id: I9d3f738ca9024060484dd5eef8202884b38cc3b8
Reviewed-on: https://chromium-review.googlesource.com/1113803Reviewed-by: Alex Sakhartchouk <alexst@chromium.org>
Commit-Queue: Daniel Nicoara <dnicoara@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570086}

chromecast/browser/cast_display_configurator.cc

@@ -142,6 +142,15 @@ void CastDisplayConfigurator::SetColorMatrix(
   delegate_->SetColorMatrix(display_->display_id(), color_matrix);
 }
 
+void CastDisplayConfigurator::SetGammaCorrection(
+    const std::vector<display::GammaRampRGBEntry>& degamma_lut,
+    const std::vector<display::GammaRampRGBEntry>& gamma_lut) {
+  if (!delegate_ || !display_)
+    return;
+
+  delegate_->SetGammaCorrection(display_->display_id(), degamma_lut, gamma_lut);
+}
+
 void CastDisplayConfigurator::ForceInitialConfigure() {
   if (!delegate_)
     return;

chromecast/browser/cast_display_configurator.h

@@ -17,6 +17,7 @@ namespace display {
 class DisplayMode;
 class DisplaySnapshot;
 class NativeDisplayDelegate;
+struct GammaRampRGBEntry;
 }  // namespace display
 
 namespace gfx {
@@ -46,6 +47,9 @@ class CastDisplayConfigurator : public display::NativeDisplayObserver {
 
   void ConfigureDisplayFromCommandLine();
   void SetColorMatrix(const std::vector<float>& color_matrix);
+  void SetGammaCorrection(
+      const std::vector<display::GammaRampRGBEntry>& degamma_lut,
+      const std::vector<display::GammaRampRGBEntry>& gamma_lut);
 
  private:
   void ForceInitialConfigure();