Fix build issues in base/ for Android x64

base/i18n/rtl.cc

Index: base/i18n/rtl.cc
diff --git a/base/i18n/rtl.cc b/base/i18n/rtl.cc
index 851b03642defb3ce43742b1a74405e8f05362cd5..84dc51fd5d6f05e0e38575c362da8eef3556c255 100644
--- a/base/i18n/rtl.cc
+++ b/base/i18n/rtl.cc
@@ -263,15 +263,18 @@ bool AdjustStringForLocaleDirection(string16* text) {
   bool has_rtl_chars = StringContainsStrongRTLChars(*text);
   if (!ui_direction_is_rtl && has_rtl_chars) {
     WrapStringWithRTLFormatting(text);
-    text->insert(0U, 1U, kLeftToRightMark);
+    text->insert(static_cast<size_t>(0), static_cast<size_t>(1),
+                 kLeftToRightMark);
     text->push_back(kLeftToRightMark);
   } else if (ui_direction_is_rtl && has_rtl_chars) {
     WrapStringWithRTLFormatting(text);
-    text->insert(0U, 1U, kRightToLeftMark);
+    text->insert(static_cast<size_t>(0), static_cast<size_t>(1),
+                 kRightToLeftMark);
     text->push_back(kRightToLeftMark);
   } else if (ui_direction_is_rtl) {
     WrapStringWithLTRFormatting(text);
-    text->insert(0U, 1U, kRightToLeftMark);
+    text->insert(static_cast<size_t>(0), static_cast<size_t>(1),
+                 kRightToLeftMark);
     text->push_back(kRightToLeftMark);
   } else {
     return false;
@@ -332,7 +335,8 @@ void WrapStringWithLTRFormatting(string16* text) {
     return;
 
   // Inserting an LRE (Left-To-Right Embedding) mark as the first character.
-  text->insert(0U, 1U, kLeftToRightEmbeddingMark);
+  text->insert(static_cast<size_t>(0), static_cast<size_t>(1),
+               kLeftToRightEmbeddingMark);
 
   // Inserting a PDF (Pop Directional Formatting) mark as the last character.
   text->push_back(kPopDirectionalFormatting);
@@ -343,7 +347,8 @@ void WrapStringWithRTLFormatting(string16* text) {
     return;
 
   // Inserting an RLE (Right-To-Left Embedding) mark as the first character.
-  text->insert(0U, 1U, kRightToLeftEmbeddingMark);
+  text->insert(static_cast<size_t>(0), static_cast<size_t>(1),
+               kRightToLeftEmbeddingMark);
 
   // Inserting a PDF (Pop Directional Formatting) mark as the last character.
   text->push_back(kPopDirectionalFormatting);