Allow GL_TEXTURE_RECTANGLE_ARB to be the destination target for copyTextureCHROMIUM.

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 b0f21623aa26aee7bfbef7ac12fe4c17f43faa78..0460b0746a044a9900bf2c744a27445622a63b9c 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
@@ -1810,6 +1810,23 @@ TEST_P(GLES2DecoderManualInitTest, ARBTextureRectangleTexImage2D) {
       GL_TEXTURE_RECTANGLE_ARB, client_texture_id_, kServiceTextureId);
   ASSERT_TRUE(GetTexture(client_texture_id_) != NULL);
 
+  EXPECT_CALL(*gl_, GetError())
+      .WillOnce(Return(GL_NO_ERROR))
+      .WillOnce(Return(GL_NO_ERROR))
+      .RetiresOnSaturation();
+  EXPECT_CALL(*gl_,
+              TexImage2D(target,
+                         level,
+                         internal_format,
+                         width,
+                         height,
+                         0,
+                         format,
+                         type,
+                         _))
+      .Times(1)
+      .RetiresOnSaturation();
+
   TexImage2D cmd;
   cmd.Init(target,
            level,
@@ -1822,7 +1839,7 @@ TEST_P(GLES2DecoderManualInitTest, ARBTextureRectangleTexImage2D) {
            kSharedMemoryOffset);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
 
-  EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
+  EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
 TEST_P(GLES2DecoderManualInitTest, ARBTextureRectangleTexImage2DInvalid) {
@@ -1855,7 +1872,7 @@ TEST_P(GLES2DecoderManualInitTest, ARBTextureRectangleTexImage2DInvalid) {
            kSharedMemoryOffset);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
 
-  EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
+  EXPECT_EQ(GL_INVALID_VALUE, GetGLError());
 }
 
 TEST_P(GLES2DecoderManualInitTest, TexSubImage2DClearsAfterTexImage2DNULL) {