Add glGetActiveUniformsiv to GPU command buffer.

gpu/command_buffer/client/program_info_manager.h

Index: gpu/command_buffer/client/program_info_manager.h
diff --git a/gpu/command_buffer/client/program_info_manager.h b/gpu/command_buffer/client/program_info_manager.h
index d6c574a411d34e6bb3e018025d69548a3d23d26d..6f8a745c0b89d9af2106f1500d148842afad799f 100644
--- a/gpu/command_buffer/client/program_info_manager.h
+++ b/gpu/command_buffer/client/program_info_manager.h
@@ -74,6 +74,10 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
       GLES2Implementation* gl, GLuint program, GLsizei count,
       const char* const* names, GLuint* indices);
 
+  bool GetActiveUniformsiv(
+      GLES2Implementation* gl, GLuint program, GLsizei count,
+      const GLuint* indices, GLenum pname, GLint* params);
+
  private:
   friend class ProgramInfoManagerTest;
 
@@ -81,11 +85,14 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
   FRIEND_TEST_ALL_PREFIXES(ProgramInfoManagerTest, UpdateES3UniformBlocks);
   FRIEND_TEST_ALL_PREFIXES(ProgramInfoManagerTest,
                            UpdateES3TransformFeedbackVaryings);
+  FRIEND_TEST_ALL_PREFIXES(ProgramInfoManagerTest,
+                           GetActiveUniformsivCached);
 
   enum ProgramInfoType {
     kES2,
     kES3UniformBlocks,
     kES3TransformFeedbackVaryings,
+    kES3Uniformsiv,
     kNone,
   };
 
@@ -102,6 +109,16 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
       std::string name;
       std::vector<GLint> element_locations;
     };
+    struct UniformES3 {
+      UniformES3();
+      ~UniformES3();
+
+      GLint block_index;
+      GLint offset;
+      GLint array_stride;
+      GLint matrix_stride;
+      GLint is_row_major;
+    };
     struct VertexAttrib {
       VertexAttrib(GLsizei _size, GLenum _type, const std::string& _name,
                    GLint _location);
@@ -146,6 +163,9 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
     // Gets the index of a uniform by name. Return INVALID_INDEX in failure.
     GLuint GetUniformIndex(const std::string& name) const;
 
+    bool GetUniformsiv(
+        GLsizei count, const GLuint* indices, GLenum pname, GLint* params);
+
     GLint GetFragDataLocation(const std::string& name) const;
     void CacheFragDataLocation(const std::string& name, GLint loc);
 
@@ -166,6 +186,9 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
     // Updates the ES3 UniformBlock info after a successful link.
     void UpdateES3UniformBlocks(const std::vector<int8>& result);
 
+    // Updates the ES3 Uniformsiv info after a successful link.
+    void UpdateES3Uniformsiv(const std::vector<int8>& result);
+
     // Updates the ES3 TransformFeedbackVaryings info after a successful link.
     void UpdateES3TransformFeedbackVaryings(const std::vector<int8>& result);
 
@@ -203,6 +226,10 @@ class GLES2_IMPL_EXPORT ProgramInfoManager {
     // TransformFeedback varyings by index.
     std::vector<TransformFeedbackVarying> transform_feedback_varyings_;
 
+    bool cached_es3_uniformsiv_;
+
+    std::vector<UniformES3> uniforms_es3_;
+
     base::hash_map<std::string, GLint> frag_data_locations_;
   };