Move kResizeAreaCornerSize from namespace

When building with Jumbo, kResizeAreaCorner in
views/frame/opaque_browser_frame_view.cc and
views/overlay/overlay_window_views.cc conflict.
This commit solves the issue by moving the
constants from the namespace to the place where
it is used.

Bug: 773275
Change-Id: I87195fe6f650088e7aaa6117ad44e9e919d17cc9
Reviewed-on: https://chromium-review.googlesource.com/1102499
Commit-Queue: Oscar Johansson <oscarj@opera.com>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569978}

chrome/browser/ui/views/frame/opaque_browser_frame_view.cc

@@ -50,14 +50,6 @@
 
 using content::WebContents;
 
-namespace {
-
-// In the window corners, the resize areas don't actually expand bigger, but the
-// 16 px at the end of each edge triggers diagonal resizing.
-const int kResizeAreaCornerSize = 16;
-
-}  // namespace
-
 ///////////////////////////////////////////////////////////////////////////////
 // OpaqueBrowserFrameView, public:
 
@@ -249,6 +241,10 @@ int OpaqueBrowserFrameView::NonClientHitTest(const gfx::Point& point) {
     LOG(WARNING) << "delegate is null, returning safe default.";
     return HTCAPTION;
   }
+
+  // In the window corners, the resize areas don't actually expand bigger, but
+  // the 16 px at the end of each edge triggers diagonal resizing.
+  constexpr int kResizeAreaCornerSize = 16;
   int window_component = GetHTComponentForFrame(
       point, FrameTopBorderThickness(false), NonClientBorderThickness(),
       kResizeAreaCornerSize, kResizeAreaCornerSize, delegate->CanResize());

chrome/browser/ui/views/overlay/overlay_window_views.cc

@@ -34,7 +34,6 @@ namespace {
 constexpr gfx::Size kMinWindowSize = gfx::Size(144, 100);
 
 const int kOverlayBorderThickness = 5;
-const int kResizeAreaCornerSize = 16;
 
 // |play_pause_controls_view_| scales at 30% the size of the smaller of the
 // screen's width and height.
@@ -66,6 +65,7 @@ class OverlayWindowFrameView : public views::NonClientFrameView {
     if (!bounds().Contains(point))
       return HTNOWHERE;
 
+    constexpr int kResizeAreaCornerSize = 16;
     int window_component = GetHTComponentForFrame(
         point, kOverlayBorderThickness, kOverlayBorderThickness,
         kResizeAreaCornerSize, kResizeAreaCornerSize,