Add a |scope| argument to TRACE_EVENT_INSTANT* and require its presence.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 4753 matching lines @@
   }
   DoRegisterSharedIdsCHROMIUM(namespace_id, n, ids);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::DoClear(GLbitfield mask) {
   DCHECK(!ShouldDeferDraws());
   if (CheckBoundFramebuffersValid("glClear")) {
     UNSHIPPED_TRACE_EVENT_INSTANT2(
         "test_gpu", "DoClear",
+        TRACE_EVENT_SCOPE_THREAD,
         "red", state_.color_clear_red,
         "green", state_.color_clear_green);
     ApplyDirtyState();
     glClear(mask);
   }
   return error::kNoError;
 }
 
 void GLES2DecoderImpl::DoFramebufferRenderbuffer(
     GLenum target, GLenum attachment, GLenum renderbuffertarget,
@@ skipping 263 matching lines @@
 
   glDisable(GL_SCISSOR_TEST);
   if (IsAngle()) {
     glBlitFramebufferANGLE(
         srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
   } else {
     glBlitFramebufferEXT(
         srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
   }
   EnableDisable(GL_SCISSOR_TEST, state_.enable_flags.scissor_test);
-  UNSHIPPED_TRACE_EVENT_INSTANT1("test_gpu", "DoBlit", "width", srcX1 - srcX0);
+  UNSHIPPED_TRACE_EVENT_INSTANT1("test_gpu", "DoBlit", TRACE_EVENT_SCOPE_THREAD,
+                                 "width", srcX1 - srcX0);
 }
 
 void GLES2DecoderImpl::DoRenderbufferStorageMultisample(
     GLenum target, GLsizei samples, GLenum internalformat,
     GLsizei width, GLsizei height) {
   if (!features().chromium_framebuffer_multisample) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_OPERATION,
         "glRenderbufferStorageMultisample", "function not available");
     return;
@@ skipping 3805 matching lines @@
 #endif
 }
 
 error::Error GLES2DecoderImpl::HandleSwapBuffers(
     uint32 immediate_data_size, const cmds::SwapBuffers& c) {
   bool is_offscreen = !!offscreen_target_frame_buffer_.get();
 
   int this_frame_number = frame_number_++;
   // TRACE_EVENT for gpu tests:
   TRACE_EVENT_INSTANT2("test_gpu", "SwapBuffersLatency",
+                       TRACE_EVENT_SCOPE_THREAD,
                        "GLImpl", static_cast<int>(gfx::GetGLImplementation()),
                        "width", (is_offscreen ? offscreen_size_.width() :
                                  surface_->GetSize().width()));
   TRACE_EVENT2("gpu", "GLES2DecoderImpl::HandleSwapBuffers",
                "offscreen", is_offscreen,
                "frame", this_frame_number);
   // If offscreen then don't actually SwapBuffers to the display. Just copy
   // the rendered frame to another frame buffer.
   if (is_offscreen) {
     TRACE_EVENT2("gpu", "Offscreen",
@@ skipping 1570 matching lines @@
   return error::kNoError;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu