Implemented failIfMajorPerformanceCaveat WebGL context creation attribute.

gpu/command_buffer/client/gl_in_process_context.cc

Index: gpu/command_buffer/client/gl_in_process_context.cc
diff --git a/gpu/command_buffer/client/gl_in_process_context.cc b/gpu/command_buffer/client/gl_in_process_context.cc
index a1ca1a2727e60745f7d504c4711b5ccdf89a094a..581c562220f82b2abf93a42917fe4ce05b9782fc 100644
--- a/gpu/command_buffer/client/gl_in_process_context.cc
+++ b/gpu/command_buffer/client/gl_in_process_context.cc
@@ -138,6 +138,9 @@ bool GLInProcessContextImpl::Initialize(
   const int32 SAMPLE_BUFFERS = 0x3032;
   const int32 NONE           = 0x3038;
 
+  // Chromium-specific attributes
+  const int32 FAIL_IF_MAJOR_PERF_CAVEAT = 0x10002;

[Ken Russell (switch to Gerrit), 2013/11/23 03:07:04]

Please add a comment about dependencies between this file and
gles2_cmd_utils.cc.

+
   std::vector<int32> attrib_vector;
   if (attribs.alpha_size >= 0) {
     attrib_vector.push_back(ALPHA_SIZE);
@@ -171,6 +174,10 @@ bool GLInProcessContextImpl::Initialize(
     attrib_vector.push_back(SAMPLE_BUFFERS);
     attrib_vector.push_back(attribs.sample_buffers);
   }
+  if (attribs.fail_if_major_perf_caveat > 0) {
+    attrib_vector.push_back(FAIL_IF_MAJOR_PERF_CAVEAT);
+    attrib_vector.push_back(attribs.fail_if_major_perf_caveat);
+  }
   attrib_vector.push_back(NONE);
 
   base::Closure wrapped_callback =