color: Add support for shader generation

cc/output/program_binding.cc

Index: cc/output/program_binding.cc
diff --git a/cc/output/program_binding.cc b/cc/output/program_binding.cc
index dc8fe8464e4d36ee40afe70fb58ca6cc898c43a9..a8f4b6a9f6c29df4964dca45e7f07516020cff13 100644
--- a/cc/output/program_binding.cc
+++ b/cc/output/program_binding.cc
@@ -8,6 +8,7 @@
 #include "cc/output/geometry_binding.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
+#include "ui/gfx/color_transform.h"
 
 using gpu::gles2::GLES2Interface;
 
@@ -29,7 +30,8 @@ bool ProgramKey::operator==(const ProgramKey& other) const {
          has_color_matrix_ == other.has_color_matrix_ &&
          yuv_alpha_texture_mode_ == other.yuv_alpha_texture_mode_ &&
          uv_texture_mode_ == other.uv_texture_mode_ &&
-         color_conversion_mode_ == other.color_conversion_mode_;
+         color_conversion_mode_ == other.color_conversion_mode_ &&
+         color_transform_ == other.color_transform_;
 }
 
 bool ProgramKey::operator!=(const ProgramKey& other) const {
@@ -128,6 +130,18 @@ ProgramKey ProgramKey::YUVVideo(TexCoordPrecision precision,
   return result;
 }
 
+void ProgramKey::SetColorTransform(const gfx::ColorTransform* transform) {
+  color_transform_ = nullptr;
+  if (transform->IsIdentity()) {
+    color_conversion_mode_ = COLOR_CONVERSION_MODE_NONE;
+  } else if (transform->CanGetShaderSource()) {
+    color_conversion_mode_ = COLOR_CONVERSION_MODE_SHADER;
+    color_transform_ = transform;
+  } else {
+    color_conversion_mode_ = COLOR_CONVERSION_MODE_LUT;
+  }
+}
+
 ProgramBindingBase::ProgramBindingBase()
     : program_(0),
       vertex_shader_id_(0),