Iterate on MdTextButtons (call to action styling).

Right now the different styles are only used in views examples.
This also fixes a bug that I ran into while running

  views_examples_exe --force-device-scale-factor=2

where DesktopScreenX11::GetCursorScreenPoint() wasn't accounting for the proper device scale.

BUG=596238,571500

Review URL: https://codereview.chromium.org/1815923002

Cr-Commit-Position: refs/heads/master@{#382463}

1 files changed, 43 insertions, 1 deletions

diff --git a/ui/views/painter.cc b/ui/views/painter.cc
index 8e0d3e6..9a67795 100644
--- a/ui/views/painter.cc
+++ b/ui/views/painter.cc
@@ -12,7 +12,9 @@
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/geometry/size_f.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_operations.h"
@@ -23,6 +25,41 @@ namespace views {
 
 namespace {
 
+// SolidRoundRectPainter -------------------------------------------------------
+
+class SolidRoundRectPainter : public Painter {
+ public:
+  SolidRoundRectPainter(SkColor color, float radius);
+  ~SolidRoundRectPainter() override;
+
+  // Painter:
+  gfx::Size GetMinimumSize() const override;
+  void Paint(gfx::Canvas* canvas, const gfx::Size& size) override;
+
+ private:
+  const SkColor color_;
+  const float radius_;
+
+  DISALLOW_COPY_AND_ASSIGN(SolidRoundRectPainter);
+};
+
+SolidRoundRectPainter::SolidRoundRectPainter(SkColor color, float radius)
+    : color_(color), radius_(radius) {}
+
+SolidRoundRectPainter::~SolidRoundRectPainter() {}
+
+gfx::Size SolidRoundRectPainter::GetMinimumSize() const {
+  return gfx::Size();
+}
+
+void SolidRoundRectPainter::Paint(gfx::Canvas* canvas, const gfx::Size& size) {
+  gfx::RectF rect((gfx::SizeF(size)));
+  SkPaint paint;
+  paint.setAntiAlias(true);
+  paint.setColor(color_);
+  canvas->DrawRoundRect(rect, radius_, paint);
+}
+
 // DashedFocusPainter ----------------------------------------------------------
 
 class DashedFocusPainter : public Painter {
@@ -235,6 +272,11 @@ void Painter::PaintFocusPainter(View* view,
 }
 
 // static
+Painter* Painter::CreateSolidRoundRectPainter(SkColor color, float radius) {
+  return new SolidRoundRectPainter(color, radius);
+}
+
+// static
 Painter* Painter::CreateHorizontalGradient(SkColor c1, SkColor c2) {
   SkColor colors[2];
   colors[0] = c1;