Pull in various gpu/command_buffer fixes from chromium

gpu/command_buffer/common/capabilities.cc

Index: gpu/command_buffer/common/capabilities.cc
diff --git a/gpu/command_buffer/common/capabilities.cc b/gpu/command_buffer/common/capabilities.cc
index 58efef01734fdf2433e110e0e0122f474dbcd061..8dd208beca493ccff44dd5afc2e20985e2a1369b 100644
--- a/gpu/command_buffer/common/capabilities.cc
+++ b/gpu/command_buffer/common/capabilities.cc
@@ -23,8 +23,34 @@ Capabilities::Capabilities()
       num_compressed_texture_formats(0),
       num_shader_binary_formats(0),
       bind_generates_resource_chromium(0),
+      max_3d_texture_size(0),
+      max_array_texture_layers(0),
+      max_color_attachments(0),
+      max_combined_fragment_uniform_components(0),
+      max_combined_uniform_blocks(0),
+      max_combined_vertex_uniform_components(0),
+      max_draw_buffers(0),
+      max_element_index(0),
+      max_elements_indices(0),
+      max_elements_vertices(0),
+      max_fragment_input_components(0),
+      max_fragment_uniform_blocks(0),
+      max_fragment_uniform_components(0),
+      max_program_texel_offset(0),
+      max_samples(0),
+      max_server_wait_timeout(0),
+      max_transform_feedback_interleaved_components(0),
       max_transform_feedback_separate_attribs(0),
+      max_transform_feedback_separate_components(0),
+      max_uniform_block_size(0),
       max_uniform_buffer_bindings(0),
+      max_varying_components(0),
+      max_vertex_output_components(0),
+      max_vertex_uniform_blocks(0),
+      max_vertex_uniform_components(0),
+      min_program_texel_offset(0),
+      num_extensions(0),
+      num_program_binary_formats(0),
       uniform_buffer_offset_alignment(1),
       post_sub_buffer(false),
       egl_image_external(false),
@@ -44,7 +70,9 @@ Capabilities::Capabilities()
       future_sync_points(false),
       blend_equation_advanced(false),
       blend_equation_advanced_coherent(false),
-      texture_rg(false) {
+      texture_rg(false),
+      major_version(2),
+      minor_version(0) {
 }
 
 }  // namespace gpu