Revert of Replace scoped_ptr with unique_ptr in webrtc/common_audio/

webrtc/common_audio/fir_filter_unittest.cc

Index: webrtc/common_audio/fir_filter_unittest.cc
diff --git a/webrtc/common_audio/fir_filter_unittest.cc b/webrtc/common_audio/fir_filter_unittest.cc
index 9dffcb615ff85e8710939f714007f95e63bb9675..13f79d9482e6ba2d0014024de166a2611217f8e3 100644
--- a/webrtc/common_audio/fir_filter_unittest.cc
+++ b/webrtc/common_audio/fir_filter_unittest.cc
@@ -12,9 +12,8 @@
 
 #include <string.h>
 
-#include <memory>
-
 #include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 namespace {
@@ -41,7 +40,7 @@
 TEST(FIRFilterTest, FilterAsIdentity) {
   const float kCoefficients[] = {1.f, 0.f, 0.f, 0.f, 0.f};
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, kInputLength));
   filter->Filter(kInput, kInputLength, output);
 
@@ -51,7 +50,7 @@
 TEST(FIRFilterTest, FilterUsedAsScalarMultiplication) {
   const float kCoefficients[] = {5.f, 0.f, 0.f, 0.f, 0.f};
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, kInputLength));
   filter->Filter(kInput, kInputLength, output);
 
@@ -64,7 +63,7 @@
 TEST(FIRFilterTest, FilterUsedAsInputShifting) {
   const float kCoefficients[] = {0.f, 0.f, 0.f, 0.f, 1.f};
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, kInputLength));
   filter->Filter(kInput, kInputLength, output);
 
@@ -77,7 +76,7 @@
 
 TEST(FIRFilterTest, FilterUsedAsArbitraryWeighting) {
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, kInputLength));
   filter->Filter(kInput, kInputLength, output);
 
@@ -90,7 +89,7 @@
 
 TEST(FIRFilterTest, FilterInLengthLesserOrEqualToCoefficientsLength) {
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, 2));
   filter->Filter(kInput, 2, output);
 
@@ -107,7 +106,7 @@
 
 TEST(FIRFilterTest, MultipleFilterCalls) {
   float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, 3));
   filter->Filter(kInput, 2, output);
   EXPECT_FLOAT_EQ(0.2f, output[0]);
@@ -138,7 +137,7 @@
 
 TEST(FIRFilterTest, VerifySampleBasedVsBlockBasedFiltering) {
   float output_block_based[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
+  rtc::scoped_ptr<FIRFilter> filter(
       FIRFilter::Create(kCoefficients, kCoefficientsLength, kInputLength));
   filter->Filter(kInput, kInputLength, output_block_based);
 
@@ -163,7 +162,7 @@
       sizeof(kConstantInput[0]);
 
   float output[kConstantInputLength];
-  std::unique_ptr<FIRFilter> filter(FIRFilter::Create(
+  rtc::scoped_ptr<FIRFilter> filter(FIRFilter::Create(
       kCoefficients, kCoefficientsLength, kConstantInputLength));
   filter->Filter(kConstantInput, kConstantInputLength, output);
   EXPECT_FLOAT_EQ(1.f, output[0]);
@@ -182,7 +181,7 @@
                                         sizeof(kHighFrequencyInput[0]);
 
   float output[kHighFrequencyInputLength];
-  std::unique_ptr<FIRFilter> filter(FIRFilter::Create(
+  rtc::scoped_ptr<FIRFilter> filter(FIRFilter::Create(
       kCoefficients, kCoefficientsLength, kHighFrequencyInputLength));
   filter->Filter(kHighFrequencyInput, kHighFrequencyInputLength, output);
   EXPECT_FLOAT_EQ(-1.f, output[0]);
@@ -194,7 +193,7 @@
 TEST(FIRFilterTest, SameOutputWhenSwapedCoefficientsAndInput) {
   float output[kCoefficientsLength];
   float output_swaped[kCoefficientsLength];
-  std::unique_ptr<FIRFilter> filter(FIRFilter::Create(
+  rtc::scoped_ptr<FIRFilter> filter(FIRFilter::Create(
       kCoefficients, kCoefficientsLength, kCoefficientsLength));
   // Use kCoefficientsLength for in_length to get same-length outputs.
   filter->Filter(kInput, kCoefficientsLength, output);