Hookup clear_uniforms_before_first_program_use workaround with implementation.

gpu/command_buffer/service/program_manager.cc

Index: gpu/command_buffer/service/program_manager.cc
diff --git a/gpu/command_buffer/service/program_manager.cc b/gpu/command_buffer/service/program_manager.cc
index 32b91403bf6fd8093d53c1944903922c7133279b..09326620fa5a34f3af8b683757461f65ec06db8f 100644
--- a/gpu/command_buffer/service/program_manager.cc
+++ b/gpu/command_buffer/service/program_manager.cc
@@ -18,7 +18,6 @@
 #include "base/time/time.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
-#include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/command_buffer/service/program_cache.h"
@@ -463,7 +462,7 @@ void Program::ExecuteBindAttribLocationCalls() {
 
 void ProgramManager::DoCompileShader(Shader* shader,
                                      ShaderTranslator* translator,
-                                     FeatureInfo* feature_info) {
+                                     bool angle_translated_shader_source) {
   // Translate GL ES 2.0 shader to Desktop GL shader and pass that to
   // glShaderSource and then glCompileShader.
   const std::string* source = shader->source();
@@ -474,13 +473,13 @@ void ProgramManager::DoCompileShader(Shader* shader,
       return;
     }
     shader_src = translator->translated_shader();
-    if (!feature_info->feature_flags().angle_translated_shader_source)
+    if (!angle_translated_shader_source)
       shader->UpdateTranslatedSource(shader_src);
   }
 
   glShaderSource(shader->service_id(), 1, &shader_src, NULL);
   glCompileShader(shader->service_id());
-  if (feature_info->feature_flags().angle_translated_shader_source) {
+  if (angle_translated_shader_source) {
     GLint max_len = 0;
     glGetShaderiv(shader->service_id(),
                   GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE,
@@ -522,7 +521,6 @@ void ProgramManager::DoCompileShader(Shader* shader,
 bool Program::Link(ShaderManager* manager,
                    ShaderTranslator* vertex_translator,
                    ShaderTranslator* fragment_translator,
-                   FeatureInfo* feature_info,
                    const ShaderCacheCallback& shader_callback) {
   ClearLinkStatus();
   if (!CanLink()) {
@@ -1251,9 +1249,6 @@ ProgramManager::ProgramManager(ProgramCache* program_cache,
                                uint32 max_varying_vectors)
     : program_count_(0),
       have_context_(true),
-      disable_workarounds_(
-          CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kDisableGpuDriverBugWorkarounds)),
       program_cache_(program_cache),
       max_varying_vectors_(max_varying_vectors) { }
 
@@ -1348,7 +1343,6 @@ void ProgramManager::UseProgram(Program* program) {
   DCHECK(program);
   DCHECK(IsOwned(program));
   program->IncUseCount();
-  ClearUniforms(program);
 }
 
 void ProgramManager::UnuseProgram(
@@ -1363,9 +1357,7 @@ void ProgramManager::UnuseProgram(
 
 void ProgramManager::ClearUniforms(Program* program) {
   DCHECK(program);
-  if (!disable_workarounds_) {
-    program->ClearUniforms(&zero_);
-  }
+  program->ClearUniforms(&zero_);
 }
 
 int32 ProgramManager::MakeFakeLocation(int32 index, int32 element) {