Restore gl scissor state when switching FBO targets on Qualcomm

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 a7ca864576f3394cfd6a296a7497ea8559146190..059c4db852715e7712929f4958fbc0f8419f3eb6 100644
--- a/gpu/command_buffer/service/feature_info.cc
+++ b/gpu/command_buffer/service/feature_info.cc
@@ -92,6 +92,7 @@ FeatureInfo::Workarounds::Workarounds()
       reverse_point_sprite_coord_origin(false),
       set_texture_filter_before_generating_mipmap(false),
       use_current_program_after_successful_link(false),
+      restore_scissor_on_fbo_change(false),
       max_texture_size(0),
       max_cube_map_texture_size(0) {
 }
@@ -671,6 +672,10 @@ void FeatureInfo::AddFeatures(const char* desired_features) {
       workarounds_.use_current_program_after_successful_link = true;
     }
 
+    if (is_qualcomm) {
+      workarounds_.restore_scissor_on_fbo_change = true;
+    }
+
 #if defined(OS_MACOSX)
     workarounds_.needs_offscreen_buffer_workaround = is_nvidia;
     workarounds_.needs_glsl_built_in_function_emulation = is_amd;