Migrate most of cc/ from WebKit::WebTransformationMatrix to gfx::Transform

cc/overdraw_metrics.cc

 // Copyright 2012 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.
 
 #include "cc/overdraw_metrics.h"
 
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
 #include "cc/layer_tree_host.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/math_util.h"
 #include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect.h"
-#include <public/WebTransformationMatrix.h>
-
-using WebKit::WebTransformationMatrix;
+#include "ui/gfx/transform.h"
 
 namespace cc {
 
 OverdrawMetrics::OverdrawMetrics(bool recordMetricsForFrame)
     : m_recordMetricsForFrame(recordMetricsForFrame)
     , m_pixelsPainted(0)
     , m_pixelsUploadedOpaque(0)
     , m_pixelsUploadedTranslucent(0)
     , m_tilesCulledForUpload(0)
     , m_contentsTextureUseBytes(0)
@@ skipping 15 matching lines @@
     if (numPoints < 3)
         return 0;
 
     float area = 0;
     for (int i = 0; i < numPoints; ++i)
         area += wedgeProduct(points[i], points[(i+1)%numPoints]);
     return fabs(0.5f * area);
 }
 
 // Takes a given quad, maps it by the given transformation, and gives the area of the resulting polygon.
-static inline float areaOfMappedQuad(const WebTransformationMatrix& transform, const gfx::QuadF& quad)
+static inline float areaOfMappedQuad(const gfx::Transform& transform, const gfx::QuadF& quad)
 {
     gfx::PointF clippedQuad[8];
     int numVerticesInClippedQuad = 0;
     MathUtil::mapClippedQuad(transform, quad, clippedQuad, numVerticesInClippedQuad);
     return polygonArea(clippedQuad, numVerticesInClippedQuad);
 }
 
 void OverdrawMetrics::didPaint(const gfx::Rect& paintedRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     m_pixelsPainted += static_cast<float>(paintedRect.width()) * paintedRect.height();
 }
 
 void OverdrawMetrics::didCullTilesForUpload(int count)
 {
     if (m_recordMetricsForFrame)
         m_tilesCulledForUpload += count;
 }
 
-void OverdrawMetrics::didUpload(const WebTransformationMatrix& transformToTarget, const gfx::Rect& uploadRect, const gfx::Rect& opaqueRect)
+void OverdrawMetrics::didUpload(const gfx::Transform& transformToTarget, const gfx::Rect& uploadRect, const gfx::Rect& opaqueRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     float uploadArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(uploadRect));
     float uploadOpaqueArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(gfx::IntersectRects(opaqueRect, uploadRect)));
 
     m_pixelsUploadedOpaque += uploadOpaqueArea;
     m_pixelsUploadedTranslucent += uploadArea - uploadOpaqueArea;
 }
 
 void OverdrawMetrics::didUseContentsTextureMemoryBytes(size_t contentsTextureUseBytes)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     m_contentsTextureUseBytes += contentsTextureUseBytes;
 }
 
 void OverdrawMetrics::didUseRenderSurfaceTextureMemoryBytes(size_t renderSurfaceUseBytes)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     m_renderSurfaceTextureUseBytes += renderSurfaceUseBytes;
 }
 
-void OverdrawMetrics::didCullForDrawing(const WebTransformationMatrix& transformToTarget, const gfx::Rect& beforeCullRect, const gfx::Rect& afterCullRect)
+void OverdrawMetrics::didCullForDrawing(const gfx::Transform& transformToTarget, const gfx::Rect& beforeCullRect, const gfx::Rect& afterCullRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     float beforeCullArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(beforeCullRect));
     float afterCullArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(afterCullRect));
 
     m_pixelsCulledForDrawing += beforeCullArea - afterCullArea;
 }
 
-void OverdrawMetrics::didDraw(const WebTransformationMatrix& transformToTarget, const gfx::Rect& afterCullRect, const gfx::Rect& opaqueRect)
+void OverdrawMetrics::didDraw(const gfx::Transform& transformToTarget, const gfx::Rect& afterCullRect, const gfx::Rect& opaqueRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     float afterCullArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(afterCullRect));
     float afterCullOpaqueArea = areaOfMappedQuad(transformToTarget, gfx::QuadF(gfx::IntersectRects(opaqueRect, afterCullRect)));
 
     m_pixelsDrawnOpaque += afterCullOpaqueArea;
     m_pixelsDrawnTranslucent += afterCullArea - afterCullOpaqueArea;
 }
@@ skipping 51 matching lines @@
         {
             // This must be in a different scope than the TRACE_EVENTs above.
             TRACE_EVENT2("cc", "OverdrawPaintMetrics", "ContentsTextureBytes", m_contentsTextureUseBytes, "RenderSurfaceTextureBytes", m_renderSurfaceTextureUseBytes);
         }
         break;
     }
     }
 }
 
 }  // namespace cc