Remove 'char' from IDL

We should just use int8_t or uint8_t instead of char in the IDL.

BUG=255715

Review-Url: https://codereview.chromium.org/2394773002
Cr-Commit-Position: refs/heads/master@{#423524}

ppapi/api/pp_input_event.idl

@@ -69,7 +69,7 @@ struct PP_InputEvent_Character {
    * maximum UTF-8 character is 4 bytes, there will always be at least one null
    * at the end so you can treat this as a null-terminated UTF-8 string.
    */
-  char[5] text;
+  int8_t[5] text;
 };
 
 /**
@@ -111,8 +111,6 @@ struct PP_InputEvent_Mouse {
    * plugin will give non-integer values.
    */
   float_t y;
-
-  /* TODO(brettw) figure out exactly what this means.*/
   int32_t click_count;
 };
 

ppapi/api/ppb_gamepad.idl

@@ -59,7 +59,7 @@ struct PP_GamepadSampleData {
     PP_Bool connected;
 
     /* Padding to make the struct the same size between 64 and 32. */
-    char[4] unused_pad_;
+    int8_t[4] unused_pad_;
 };
 
 /**
@@ -73,7 +73,7 @@ struct PP_GamepadsSampleData {
     uint32_t length;
 
     /* Padding to make the struct the same size between 64 and 32. */
-    char[4] unused_pad_;
+    int8_t[4] unused_pad_;
 
     /**
      * Data for an individual gamepad device connected to the system.

ppapi/api/private/ppb_net_address_private.idl

@@ -37,7 +37,7 @@ enum PP_NetAddressFamily_Private {
 [assert_size(132)]
 struct PP_NetAddress_Private {
   uint32_t size;
-  char[128] data;
+  int8_t[128] data;
 };
 
 /**

ppapi/c/pp_input_event.h

@@ -81,7 +81,7 @@ struct PP_InputEvent_Character {
    * maximum UTF-8 character is 4 bytes, there will always be at least one null
    * at the end so you can treat this as a null-terminated UTF-8 string.
    */
-  char text[5];
+  int8_t text[5];
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Character, 12);
 
@@ -121,7 +121,6 @@ struct PP_InputEvent_Mouse {
    * plugin will give non-integer values.
    */
   float y;
-  /* TODO(brettw) figure out exactly what this means. */
   int32_t click_count;
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Mouse, 20);

ppapi/c/ppb_gamepad.h

@@ -64,7 +64,7 @@ struct PP_GamepadSampleData {
    */
   PP_Bool connected;
   /* Padding to make the struct the same size between 64 and 32. */
-  char unused_pad_[4];
+  int8_t unused_pad_[4];
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_GamepadSampleData, 472);
 
@@ -77,7 +77,7 @@ struct PP_GamepadsSampleData {
    */
   uint32_t length;
   /* Padding to make the struct the same size between 64 and 32. */
-  char unused_pad_[4];
+  int8_t unused_pad_[4];
   /**
    * Data for an individual gamepad device connected to the system.
    */

ppapi/c/private/ppb_net_address_private.h

@@ -60,7 +60,7 @@ PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_NetAddressFamily_Private, 4);
  */
 struct PP_NetAddress_Private {
   uint32_t size;
-  char data[128];
+  int8_t data[128];
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_NetAddress_Private, 132);
 /**