Kills TraceTicks, which was functionally the same as TimeTicks

content/browser/devtools/devtools_frame_trace_recorder.cc

 // Copyright (c) 2015 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 "content/browser/devtools/devtools_frame_trace_recorder.h"
 
 #include <string>
 #include <vector>
 
 #include "base/atomicops.h"
@@ skipping 46 matching lines @@
   }
 
  private:
   ~TraceableDevToolsScreenshot() override {
     base::subtle::NoBarrier_AtomicIncrement(&frame_data_count, -1);
   }
 
   SkBitmap frame_;
 };
 
-void FrameCaptured(base::TraceTicks timestamp, const SkBitmap& bitmap,
+void FrameCaptured(base::TimeTicks timestamp, const SkBitmap& bitmap,
     ReadbackResponse response) {
   if (response != READBACK_SUCCESS)
     return;
   int current_frame_count = base::subtle::NoBarrier_Load(&frame_data_count);
   if (current_frame_count >= kMaximumFrameDataCount)
     return;
   if (bitmap.drawsNothing())
     return;
   base::subtle::NoBarrier_AtomicIncrement(&frame_data_count, 1);
   TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID_AND_TIMESTAMP(
@@ skipping 13 matching lines @@
   if (current_frame_count >= kMaximumFrameDataCount)
     return;
   float scale = metadata.page_scale_factor;
   float area = metadata.scrollable_viewport_size.GetArea();
   if (area * scale * scale > kFrameAreaLimit)
     scale = sqrt(kFrameAreaLimit / area);
   gfx::Size snapshot_size(gfx::ToRoundedSize(gfx::ScaleSize(
       metadata.scrollable_viewport_size, scale)));
   view->CopyFromCompositingSurface(
       gfx::Rect(), snapshot_size,
-      base::Bind(FrameCaptured, base::TraceTicks::Now()),
+      base::Bind(FrameCaptured, base::TimeTicks::Now()),
       kN32_SkColorType);
 }
 
 bool ScreenshotCategoryEnabled() {
   bool enabled;
   TRACE_EVENT_CATEGORY_GROUP_ENABLED(
       TRACE_DISABLED_BY_DEFAULT("devtools.screenshot"), &enabled);
   return enabled;
 }
 
@@ skipping 20 matching lines @@
   }
 
   bool is_new_trace;
   TRACE_EVENT_IS_NEW_TRACE(&is_new_trace);
   if (!is_new_trace && last_metadata_)
     CaptureFrame(host, *last_metadata_);
   last_metadata_.reset(new cc::CompositorFrameMetadata(frame_metadata));
 }
 
 }  // namespace content