Changed the GPU Tracer so the category names can be customized.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index c1a1114fd8ae250c462fdcdca9bdf3e7ad636be8..978875e4825dedb4cda94c3bd53ed1602a787ca9 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1010,8 +1010,9 @@ void GLES2BindTexImage2DCHROMIUM(GLenum target, GLint imageId) {
 void GLES2ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   gles2::GetGLContext()->ReleaseTexImage2DCHROMIUM(target, imageId);
 }
-void GLES2TraceBeginCHROMIUM(const char* name) {
-  gles2::GetGLContext()->TraceBeginCHROMIUM(name);
+void GLES2TraceBeginCHROMIUM(const char* category_name,
+                             const char* trace_name) {
+  gles2::GetGLContext()->TraceBeginCHROMIUM(category_name, trace_name);
 }
 void GLES2TraceEndCHROMIUM() {
   gles2::GetGLContext()->TraceEndCHROMIUM();