Remove PlatformDevice::SupportsPlatformPaint()

Removes a virtual function that always returns true and has no
overrides, trying to simplify the API.
Also trims a few unnecessary #includes.

Review URL: https://codereview.chromium.org/1653383002

Cr-Commit-Position: refs/heads/master@{#373076}

4 files changed, 1 insertions, 14 deletions

diff --git a/skia/ext/platform_canvas.cc b/skia/ext/platform_canvas.cc
index 6189f0e..f06d30c 100644
--- a/skia/ext/platform_canvas.cc
+++ b/skia/ext/platform_canvas.cc
@@ -6,7 +6,6 @@
 
 #include "base/logging.h"
 #include "build/build_config.h"
-#include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkMetaData.h"
 #include "third_party/skia/include/core/SkTypes.h"
@@ -63,8 +62,7 @@ bool GetWritablePixels(SkCanvas* canvas, SkPixmap* result) {
 }
 
 bool SupportsPlatformPaint(const SkCanvas* canvas) {
-  PlatformDevice* platform_device = GetPlatformDevice(GetTopDevice(*canvas));
-  return platform_device && platform_device->SupportsPlatformPaint();
+  return GetPlatformDevice(GetTopDevice(*canvas)) != nullptr;
 }
 
 PlatformSurface BeginPlatformPaint(SkCanvas* canvas) {
diff --git a/skia/ext/platform_device.cc b/skia/ext/platform_device.cc
index cd4aa09..b6748fc 100644
--- a/skia/ext/platform_device.cc
+++ b/skia/ext/platform_device.cc
@@ -31,8 +31,4 @@ PlatformDevice* GetPlatformDevice(SkBaseDevice* device) {
   return NULL;
 }
 
-bool PlatformDevice::SupportsPlatformPaint() {
-  return true;
-}
-
 }  // namespace skia
diff --git a/skia/ext/platform_device.h b/skia/ext/platform_device.h
index 628732b..bef2714 100644
--- a/skia/ext/platform_device.h
+++ b/skia/ext/platform_device.h
@@ -69,9 +69,6 @@ class SK_API PlatformDevice {
   // Finish a previous call to beginPlatformPaint.
   virtual void EndPlatformPaint();
 
-  // Returns true if GDI operations can be used for drawing into the bitmap.
-  virtual bool SupportsPlatformPaint();
-
 #if defined(OS_WIN)
   // Loads a SkPath into the GDI context. The path can there after be used for
   // clipping or as a stroke. Returns false if the path failed to be loaded.
diff --git a/skia/ext/platform_device_mac.cc b/skia/ext/platform_device_mac.cc
index 5dfa211..5e78ad5 100644
--- a/skia/ext/platform_device_mac.cc
+++ b/skia/ext/platform_device_mac.cc
@@ -3,10 +3,6 @@
 // found in the LICENSE file.
 
 #include "skia/ext/platform_device.h"
-#include "skia/ext/bitmap_platform_device.h"
-
-#import <ApplicationServices/ApplicationServices.h>
-#include "skia/ext/skia_utils_mac.h"
 
 namespace skia {