Simplify EncodePageState to return no value.

content/common/page_state_serialization_unittest.cc

Index: content/common/page_state_serialization_unittest.cc
diff --git a/content/common/page_state_serialization_unittest.cc b/content/common/page_state_serialization_unittest.cc
index 99039f2a7f76ca7f2c012fe6564df0c30572dec7..9ed9d33ed044325f3e5933dcef7077ca9c8c07ea 100644
--- a/content/common/page_state_serialization_unittest.cc
+++ b/content/common/page_state_serialization_unittest.cc
@@ -241,7 +241,7 @@ TEST_F(PageStateSerializationTest, BasicEmpty) {
   ExplodedPageState input;
 
   std::string encoded;
-  EXPECT_TRUE(EncodePageState(input, &encoded));
+  EncodePageState(input, &encoded);
 
   ExplodedPageState output;
   EXPECT_TRUE(DecodePageState(encoded, &output));
@@ -254,7 +254,7 @@ TEST_F(PageStateSerializationTest, BasicFrame) {
   PopulateFrameState(&input.top);
 
   std::string encoded;
-  EXPECT_TRUE(EncodePageState(input, &encoded));
+  EncodePageState(input, &encoded);
 
   ExplodedPageState output;
   EXPECT_TRUE(DecodePageState(encoded, &output));
@@ -268,7 +268,7 @@ TEST_F(PageStateSerializationTest, BasicFramePOST) {
   PopulateHttpBody(&input.top.http_body, &input.referenced_files);
 
   std::string encoded;
-  EXPECT_TRUE(EncodePageState(input, &encoded));
+  EncodePageState(input, &encoded);
 
   ExplodedPageState output;
   EXPECT_TRUE(DecodePageState(encoded, &output));
@@ -288,7 +288,7 @@ TEST_F(PageStateSerializationTest, BasicFrameSet) {
   }
 
   std::string encoded;
-  EXPECT_TRUE(EncodePageState(input, &encoded));
+  EncodePageState(input, &encoded);
 
   ExplodedPageState output;
   EXPECT_TRUE(DecodePageState(encoded, &output));
@@ -371,7 +371,7 @@ TEST_F(PageStateSerializationTest, DumpExpectedPageStateForBackwardsCompat) {
   PopulatePageStateForBackwardsCompatTest(&state);
 
   std::string encoded;
-  EXPECT_TRUE(EncodePageState(state, &encoded));
+  EncodePageState(state, &encoded);
 
   std::string base64;
   base::Base64Encode(encoded, &base64);