Track the region where text is painted.

Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp

Index: Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
diff --git a/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp b/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
index 760144cee7552fb5438dd74ef9a733bd5b0739c0..02346f371eb18aee21b12b3cbf4c81e0452352a6 100644
--- a/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
+++ b/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
@@ -759,11 +759,13 @@ TEST(PlatformContextSkiaTest, trackOpaqueIRectTest)
 
 TEST(PlatformContextSkiaTest, trackOpaqueTextTest)
 {
+    int width = 200, height = 200;
     SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
+    bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
     bitmap.allocPixels();
     bitmap.eraseColor(0);
     SkCanvas canvas(bitmap);
+    SkRect textRect = SkRect::MakeWH(width, height);
 
     PlatformContextSkia platformContext(&canvas);
     platformContext.setTrackOpaqueRegion(true);
@@ -789,11 +791,11 @@ TEST(PlatformContextSkiaTest, trackOpaqueTextTest)
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawPosText("A", 1, &point, opaquePaint);
+    platformContext.drawPosText("A", 1, &point, textRect, opaquePaint);
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawPosText("A", 1, &point, alphaPaint);
+    platformContext.drawPosText("A", 1, &point, textRect, alphaPaint);
     EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
@@ -801,11 +803,11 @@ TEST(PlatformContextSkiaTest, trackOpaqueTextTest)
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawPosTextH("A", 1, &pointX, 0, opaquePaint);
+    platformContext.drawPosTextH("A", 1, &pointX, 0, textRect, opaquePaint);
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawPosTextH("A", 1, &pointX, 0, alphaPaint);
+    platformContext.drawPosTextH("A", 1, &pointX, 0, textRect, alphaPaint);
     EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
@@ -813,11 +815,11 @@ TEST(PlatformContextSkiaTest, trackOpaqueTextTest)
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawTextOnPath("A", 1, path, 0, opaquePaint);
+    platformContext.drawTextOnPath("A", 1, path, textRect, 0, opaquePaint);
     EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 
-    platformContext.drawTextOnPath("A", 1, path, 0, alphaPaint);
+    platformContext.drawTextOnPath("A", 1, path, textRect, 0, alphaPaint);
     EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
 }