Add glGetActiveUniformsiv to GPU command buffer.

gpu/command_buffer/common/gles2_cmd_format.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines the GLES2 command buffer commands.
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_
 #define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_
 
 
@@ skipping 168 matching lines @@
   uint32_t name_offset;  // offset from Header to start of name.
   uint32_t name_length;  // including the null terminator.
 };
 
 // The format of the bucket filled out by GetTransformFeedbackVaryingsCHROMIUM
 struct TransformFeedbackVaryingsHeader {
   uint32_t num_transform_feedback_varyings;
   // TransformFeedbackVaryingInfo varyings[num_transform_feedback_varyings];
 };
 
+// Parameters of a uniform that can be queried through glGetActiveUniformsiv,
+// but not through glGetActiveUniform.
+struct UniformES3Info {
+  int32_t block_index;
+  int32_t offset;
+  int32_t array_stride;
+  int32_t matrix_stride;
+  int32_t is_row_major;
+};
+
+// The format of the bucket filled out by GetUniformsivES3CHROMIUM
+struct UniformsES3Header {
+  uint32_t num_uniforms;
+  // UniformES3Info uniforms[num_uniforms];
+};
+
 // The format of QuerySync used by EXT_occlusion_query_boolean
 struct QuerySync {
   void Reset() {
     process_count = 0;
     result = 0;
   }
 
   base::subtle::Atomic32 process_count;
   uint64_t result;
 };
@@ skipping 140 matching lines @@
     "offset of CreateAndConsumeTextureCHROMIUMImmediate.client_id should be 8");
 
 
 #pragma pack(pop)
 
 }  // namespace cmd
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_