Remove some platform specific stuff from views.

ui/app_list/cocoa/app_list_pager_view.mm

Index: ui/app_list/cocoa/app_list_pager_view.mm
diff --git a/ui/app_list/cocoa/app_list_pager_view.mm b/ui/app_list/cocoa/app_list_pager_view.mm
deleted file mode 100644
index fc7f68cabb5d779ddf2ea4f9ac64eedac4f5bab2..0000000000000000000000000000000000000000
--- a/ui/app_list/cocoa/app_list_pager_view.mm
+++ /dev/null
@@ -1,167 +0,0 @@
-// Copyright 2013 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.
-
-#import "ui/app_list/cocoa/app_list_pager_view.h"
-
-#include "base/mac/mac_util.h"
-#include "skia/ext/skia_utils_mac.h"
-#include "ui/app_list/app_list_constants.h"
-#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
-
-namespace {
-
-const CGFloat kButtonHeight = 6;
-const CGFloat kButtonCornerRadius = 2;
-const CGFloat kButtonStripPadding = 20;
-
-}  // namespace
-
-@interface AppListPagerView ()
-
-@property(assign, nonatomic) NSInteger hoveredSegment;
-
-- (NSInteger)segmentUnderLocation:(NSPoint)locationInWindow;
-
-@end
-
-@interface AppListPagerCell : NSSegmentedCell;
-@end
-
-@implementation AppListPagerView
-
-@synthesize hoveredSegment = hoveredSegment_;
-
-+ (Class)cellClass {
-  return [AppListPagerCell class];
-}
-
-- (id)init {
-  if ((self = [super initWithFrame:NSZeroRect])) {
-    trackingArea_.reset(
-        [[CrTrackingArea alloc] initWithRect:NSZeroRect
-                                     options:NSTrackingInVisibleRect |
-                                             NSTrackingMouseEnteredAndExited |
-                                             NSTrackingMouseMoved |
-                                             NSTrackingActiveInKeyWindow
-                                       owner:self
-                                    userInfo:nil]);
-    [self addTrackingArea:trackingArea_.get()];
-    hoveredSegment_ = -1;
-  }
-  return self;
-}
-
-- (NSInteger)findAndHighlightSegmentAtLocation:(NSPoint)locationInWindow {
-  NSInteger segment = [self segmentUnderLocation:locationInWindow];
-  [self setHoveredSegment:segment];
-  return segment;
-}
-
-- (void)setHoveredSegment:(NSInteger)segment {
-  if (segment == hoveredSegment_)
-    return;
-
-  hoveredSegment_ = segment;
-  [self setNeedsDisplay:YES];
-  return;
-}
-
-- (NSInteger)segmentUnderLocation:(NSPoint)locationInWindow {
-  if ([self segmentCount] == 0)
-    return -1;
-
-  NSPoint pointInView = [self convertPoint:locationInWindow
-                                  fromView:nil];
-  if (![self mouse:pointInView inRect:[self bounds]])
-    return -1;
-
-  CGFloat segmentWidth = [self bounds].size.width / [self segmentCount];
-  return pointInView.x / segmentWidth;
-}
-
-- (BOOL)isHoveredForSegment:(NSInteger)segment {
-  return segment == hoveredSegment_;
-}
-
-- (void)mouseExited:(NSEvent*)theEvent {
-  [self setHoveredSegment:-1];
-}
-
-- (void)mouseMoved:(NSEvent*)theEvent {
-  [self findAndHighlightSegmentAtLocation:[theEvent locationInWindow]];
-}
-
-- (void)mouseDown:(NSEvent*)theEvent {
-  // Temporarily clear the highlight to give feedback.
-  [self setHoveredSegment:-1];
-}
-
-// The stock NSSegmentedControl ignores any clicks outside the non-default
-// control height, so process all clicks here.
-- (void)mouseUp:(NSEvent*)theEvent {
-  [self findAndHighlightSegmentAtLocation:[theEvent locationInWindow]];
-  if (hoveredSegment_ < 0)
-    return;
-
-  [self setSelectedSegment:hoveredSegment_];
-  [[self target] performSelector:[self action]
-                      withObject:self];
-}
-
-@end
-
-@implementation AppListPagerCell
-
-- (void)drawWithFrame:(NSRect)cellFrame
-               inView:(NSView*)controlView {
-  // Draw nothing if there are less than two segments.
-  if ([self segmentCount] < 2)
-    return;
-
-  cellFrame.size.width /= [self segmentCount];
-  for (NSInteger i = 0; i < [self segmentCount]; ++i) {
-    [self drawSegment:i
-              inFrame:cellFrame
-             withView:controlView];
-    cellFrame.origin.x += cellFrame.size.width;
-  }
-}
-
-- (void)drawSegment:(NSInteger)segment
-            inFrame:(NSRect)frame
-           withView:(NSView*)controlView {
-  gfx::ScopedNSGraphicsContextSaveGState context;
-  NSRect clipRect = NSMakeRect(
-      frame.origin.x + kButtonStripPadding / 2,
-      floor(frame.origin.y + (frame.size.height - kButtonHeight) / 2),
-      frame.size.width - kButtonStripPadding,
-      kButtonHeight);
-  [[NSBezierPath bezierPathWithRoundedRect:clipRect
-                                   xRadius:kButtonCornerRadius
-                                   yRadius:kButtonCornerRadius] addClip];
-
-  AppListPagerView* pagerControl =
-      base::mac::ObjCCastStrict<AppListPagerView>(controlView);
-  SkColor backgroundColor = [pagerControl hoveredSegment] == segment ?
-      app_list::kPagerHoverColor :
-      app_list::kPagerNormalColor;
-
-  [gfx::SkColorToSRGBNSColor(backgroundColor) set];
-  NSRectFill(frame);
-
-  if (![[self target] conformsToProtocol:@protocol(AppListPagerDelegate)])
-    return;
-
-  CGFloat selectedRatio = [[self target] visiblePortionOfPage:segment];
-  if (selectedRatio == 0.0)
-    return;
-
-  [gfx::SkColorToSRGBNSColor(app_list::kPagerSelectedColor) set];
-  if (selectedRatio < 0)
-    frame.origin.x += frame.size.width + frame.size.width * selectedRatio;
-  frame.size.width *= fabs(selectedRatio);
-  NSRectFill(frame);
-}
-
-@end