Use base namespace for string16 in chrome/renderer.

chrome/renderer/spellchecker/spellcheck_language.cc

Index: chrome/renderer/spellchecker/spellcheck_language.cc
diff --git a/chrome/renderer/spellchecker/spellcheck_language.cc b/chrome/renderer/spellchecker/spellcheck_language.cc
index d30820c3c1edb0efd20d9a75ead968e5b08d18cd..662148ce72ab134165941f661c02e4aebe7a1c9c 100644
--- a/chrome/renderer/spellchecker/spellcheck_language.cc
+++ b/chrome/renderer/spellchecker/spellcheck_language.cc
@@ -38,7 +38,7 @@ bool SpellcheckLanguage::SpellCheckWord(
     int tag,
     int* misspelling_start,
     int* misspelling_len,
-    std::vector<string16>* optional_suggestions) {
+    std::vector<base::string16>* optional_suggestions) {
   DCHECK(in_word_len >= 0);
   DCHECK(misspelling_start && misspelling_len) << "Out vars must be given.";
 
@@ -57,7 +57,7 @@ bool SpellcheckLanguage::SpellCheckWord(
   if (in_word_len == 0)
     return true;  // No input means always spelled correctly.
 
-  string16 word;
+  base::string16 word;
   int word_start;
   int word_length;
   if (!text_iterator_.IsInitialized() &&
@@ -98,7 +98,7 @@ bool SpellcheckLanguage::SpellCheckWord(
 // This function is a fall-back when the SpellcheckWordIterator class
 // returns a concatenated word which is not in the selected dictionary
 // (e.g. "in'n'out") but each word is valid.
-bool SpellcheckLanguage::IsValidContraction(const string16& contraction,
+bool SpellcheckLanguage::IsValidContraction(const base::string16& contraction,
                                             int tag) {
   if (!contraction_iterator_.IsInitialized() &&
       !contraction_iterator_.Initialize(&character_attributes_, false)) {
@@ -109,7 +109,7 @@ bool SpellcheckLanguage::IsValidContraction(const string16& contraction,
 
   contraction_iterator_.SetText(contraction.c_str(), contraction.length());
 
-  string16 word;
+  base::string16 word;
   int word_start;
   int word_length;