[cc] Trace detailed tile info when --trace-all-rendered-frames

cc/switches.cc

Index: cc/switches.cc
diff --git a/cc/switches.cc b/cc/switches.cc
index ec74e8394838ed3652b4fa8c4e57244548217096..1352f3ae98fcf9a7eafc66f931448830ccbb2465 100644
--- a/cc/switches.cc
+++ b/cc/switches.cc
@@ -63,6 +63,9 @@ const char kShowNonOccludingRects[] = "show-nonoccluding-rects";
 // of pixels culled, and the number of pixels drawn, for each frame.
 const char kTraceOverdraw[] = "trace-overdraw";
 
+// Logs all rendered frames.
+const char kTraceAllRenderedFrames[]      = "trace-all-rendered-frames";
+
 // Re-rasters everything multiple times to simulate a much slower machine.
 // Give a scale factor to cause raster to take that many times longer to
 // complete, such as --slow-down-raster-scale-factor=25.