DevTools: switch Timeline frontend into buffered mode and remove the corresponding experiment.

LayoutTests/inspector/timeline/timeline-window-filter-expected.txt

Index: LayoutTests/inspector/timeline/timeline-window-filter-expected.txt
diff --git a/LayoutTests/inspector/timeline/timeline-window-filter-expected.txt b/LayoutTests/inspector/timeline/timeline-window-filter-expected.txt
index 45eac496a60e4374b3212cd63d7c1114652fdf01..3e6fe3665bb7f51a4b16788f3ee4d464f2f4ffd2 100644
--- a/LayoutTests/inspector/timeline/timeline-window-filter-expected.txt
+++ b/LayoutTests/inspector/timeline/timeline-window-filter-expected.txt
@@ -33,23 +33,23 @@ divider offsets: [0, 200, 400, 600, 800, 1000]. We are expecting round numbers.
 
 mode = Frames
 range = 0.25 - 0.75
-time range = 1390988669438.409 - 1390988670098.158
-records count: 47
-divider offsets: [400, 500, 600, 700, 800, 900, 1000]. We are expecting round numbers.
+time range = 1390988669365.8047 - 1390988669866.5461
+records count: 49

[yurys, 2014/07/24 16:58:37]

Why did this change?

[loislo, 2014/07/28 14:00:05]

Done.

+divider offsets: [300, 400, 500, 600, 700, 800]. We are expecting round numbers.
 
 mode = Frames
 range = 0.33 - 0.66
-time range = 1390988669535.377 - 1390988670098.158
-records count: 38
-divider offsets: [500, 600, 700, 800, 900, 1000]. We are expecting round numbers.
+time range = 1390988669445.9233 - 1390988669776.4126
+records count: 34
+divider offsets: [350, 400, 450, 500, 550, 600, 650, 700]. We are expecting round numbers.
 
 --------------------------------------------------------
 mode = Frames
-time range = 1390988669264.497 - 1390988670098.158
+time range = 1390988669215.582 - 1390988670016.7686
 
 mode = Events
-time range = 1390988669264.497 - 1390988670098.158
+time range = 1390988669215.582 - 1390988670016.7686
 
 mode = Frames
-time range = 1390988669264.497 - 1390988670098.158
+time range = 1390988669215.582 - 1390988670016.7686