Reland of Extend CopyTextureCHROMIUM to more ES 3.0 texture formats.

gpu/command_buffer/service/feature_info.cc

Index: gpu/command_buffer/service/feature_info.cc
diff --git a/gpu/command_buffer/service/feature_info.cc b/gpu/command_buffer/service/feature_info.cc
index 77000c5037eee2a85806b6bb6250b366d81f2f26..8f28d3c2fe19e775493354ea3f7243a42f20311f 100644
--- a/gpu/command_buffer/service/feature_info.cc
+++ b/gpu/command_buffer/service/feature_info.cc
@@ -211,6 +211,8 @@ void FeatureInfo::InitializeBasicState(const base::CommandLine* command_line) {
   ext_color_buffer_float_available_ = false;
   oes_texture_float_linear_available_ = false;
   oes_texture_half_float_linear_available_ = false;
+  texture_format_bgra8888_available_ = false;
+  ext_srgb_available_ = false;
 }
 
 bool FeatureInfo::Initialize(ContextType context_type,
@@ -589,6 +591,7 @@ void FeatureInfo::InitializeFeatures() {
         extensions.Contains("GL_EXT_sRGB")) ||
        feature_flags_.desktop_srgb_support) &&
        IsWebGL1OrES2Context()) {
+    ext_srgb_available_ = true;
     AddExtensionString("GL_EXT_sRGB");
     validators_.texture_internal_format.AddValue(GL_SRGB_EXT);
     validators_.texture_internal_format.AddValue(GL_SRGB_ALPHA_EXT);
@@ -673,6 +676,7 @@ void FeatureInfo::InitializeFeatures() {
 
   if (enable_texture_format_bgra8888) {
     feature_flags_.ext_texture_format_bgra8888 = true;
+    texture_format_bgra8888_available_ = true;
     AddExtensionString("GL_EXT_texture_format_BGRA8888");
     validators_.texture_internal_format.AddValue(GL_BGRA_EXT);
     validators_.texture_format.AddValue(GL_BGRA_EXT);