gpu: Use a rectangle to keep track of the cleared area of each texture level.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
index 7d2b36104f146cc4f14a215ce1993bf0208ca53b..af6592b72e5e44430607eef1216770788a93fc0d 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
@@ -2680,8 +2680,8 @@ TEST_P(GLES2DecoderTest, GLImageAttachedAfterClearLevel) {
                                   height, format, type, _))
       .Times(1)
       .RetiresOnSaturation();
-  GetDecoder()->ClearLevel(texture, target, level, format, format, type, width,
-                           height, false);
+  GetDecoder()->ClearLevel(texture, target, level, format, type, 0, 0, width,
+                           height);
   EXPECT_TRUE(texture->GetLevelImage(GL_TEXTURE_2D, 0) == image.get());
 }
 
@@ -2895,17 +2895,9 @@ TEST_P(GLES2DecoderManualInitTest, DrawWithGLImageExternal) {
   TextureRef* texture_ref = GetTexture(client_texture_id_);
   scoped_refptr<MockGLImage> image(new MockGLImage);
   group().texture_manager()->SetTarget(texture_ref, GL_TEXTURE_EXTERNAL_OES);
-  group().texture_manager()->SetLevelInfo(texture_ref,
-                                          GL_TEXTURE_EXTERNAL_OES,
-                                          0,
-                                          GL_RGBA,
-                                          0,
-                                          0,
-                                          1,
-                                          0,
-                                          GL_RGBA,
-                                          GL_UNSIGNED_BYTE,
-                                          true);
+  group().texture_manager()->SetLevelInfo(texture_ref, GL_TEXTURE_EXTERNAL_OES,
+                                          0, GL_RGBA, 0, 0, 1, 0, GL_RGBA,
+                                          GL_UNSIGNED_BYTE, gfx::Rect());
   group().texture_manager()->SetLevelImage(
       texture_ref, GL_TEXTURE_EXTERNAL_OES, 0, image.get());