Kills TraceTicks, which was functionally the same as TimeTicks

gpu/command_buffer/client/gles2_implementation.cc

Index: gpu/command_buffer/client/gles2_implementation.cc
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc
index f0b8f8f1335ab0807eb189dffd4747c4a93486cc..50cba65f473f06a79d5a0bc7fe1d4ad7af64ab19 100644
--- a/gpu/command_buffer/client/gles2_implementation.cc
+++ b/gpu/command_buffer/client/gles2_implementation.cc
@@ -771,7 +771,7 @@ bool GLES2Implementation::GetHelper(GLenum pname, GLint* params) {
     case GL_TIMESTAMP_EXT:
       // We convert all GPU timestamps to CPU time.
       *params = base::saturated_cast<GLint>(
-          (base::TraceTicks::Now() - base::TraceTicks()).InMicroseconds()
+          (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds()
           * base::Time::kNanosecondsPerMicrosecond);
       return true;
     case GL_GPU_DISJOINT_EXT:
@@ -1069,7 +1069,7 @@ bool GLES2Implementation::GetInteger64vHelper(GLenum pname, GLint64* params) {
       return true;
     case GL_TIMESTAMP_EXT:
       // We convert all GPU timestamps to CPU time.
-      *params = (base::TraceTicks::Now() - base::TraceTicks()).InMicroseconds()
+      *params = (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds()
                 * base::Time::kNanosecondsPerMicrosecond;
       return true;
     default: